3431616 has 56 divisors (see below), whose sum is σ = 9259824. Its totient is φ = 1121280.

The previous prime is 3431587. The next prime is 3431621. The reversal of 3431616 is 6161343.

It is a super-3 number, since 3×3431616³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11566 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (165354).

Almost surely, 2^3431616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4629912).

3431616 is an abundant number, since it is smaller than the sum of its proper divisors (5828208).

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

3431616 is a wasteful number, since it uses less digits than its factorization.

3431616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 359 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 3431616 is about 1852.4621453622. The cubic root of 3431616 is about 150.8341087093.

Adding to 3431616 its reverse (6161343), we get a palindrome (9592959).

The spelling of 3431616 in words is "three million, four hundred thirty-one thousand, six hundred sixteen".