3423816 has 96 divisors (see below), whose sum is σ = 10533600. Its totient is φ = 1029600.

The previous prime is 3423811. The next prime is 3423821. The reversal of 3423816 is 6183243.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3423811) and next prime (3423821).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3423816.

It is not an unprimeable number, because it can be changed into a prime (3423811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26071 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (109725).

Almost surely, 2^3423816 is an apocalyptic number.

3423816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3423816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5266800).

3423816 is an abundant number, since it is smaller than the sum of its proper divisors (7109784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3423816 is a wasteful number, since it uses less digits than its factorization.

3423816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 147 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3423816 is about 1850.3556414917. The cubic root of 3423816 is about 150.7197409627.

The spelling of 3423816 in words is "three million, four hundred twenty-three thousand, eight hundred sixteen".