3985416 has 32 divisors (see below), whose sum is σ = 11071200. Its totient is φ = 1328400.

The previous prime is 3985409. The next prime is 3985433. The reversal of 3985416 is 6145893.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 9010 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (345975).

Almost surely, 2^3985416 is an apocalyptic number.

3985416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3985416 is an abundant number, since it is smaller than the sum of its proper divisors (7085784).

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

3985416 is a wasteful number, since it uses less digits than its factorization.

3985416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466 (or 18456 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3985416 is about 1996.3506705987. The cubic root of 3985416 is about 158.5469481148.

The spelling of 3985416 in words is "three million, nine hundred eighty-five thousand, four hundred sixteen".