3943080 has 80 divisors (see below), whose sum is σ = 13264020. Its totient is φ = 1050624.

The previous prime is 3943061. The next prime is 3943087. The reversal of 3943080 is 803493.

It can be written as a sum of positive squares in 2 ways, for example, as 3849444 + 93636 = 1962^2 + 306^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3943087) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2632 + ... + 3848.

Almost surely, 2^3943080 is an apocalyptic number.

3943080 is a gapful number since it is divisible by the number (30) 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 3943080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6632010).

3943080 is an abundant number, since it is smaller than the sum of its proper divisors (9320940).

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

3943080 is a wasteful number, since it uses less digits than its factorization.

3943080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3943080 is about 1985.7190133551. The cubic root of 3943080 is about 157.9835479318.

The spelling of 3943080 in words is "three million, nine hundred forty-three thousand, eighty".