3909416 has 24 divisors (see below), whose sum is σ = 8527770. Its totient is φ = 1675296.

The previous prime is 3909401. The next prime is 3909427. The reversal of 3909416 is 6149093.

3909416 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3786916 + 122500 = 1946^2 + 350^2 .

It is a super-2 number, since 2×3909416² = 30567066922112, which contains 22 as substring.

3909416 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4595 + ... + 5378.

Almost surely, 2^3909416 is an apocalyptic number.

It is an amenable number.

3909416 is an abundant number, since it is smaller than the sum of its proper divisors (4618354).

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

3909416 is a wasteful number, since it uses less digits than its factorization.

3909416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993 (or 9982 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3909416 is about 1977.2243170667. The cubic root of 3909416 is about 157.5326681207.

The spelling of 3909416 in words is "three million, nine hundred nine thousand, four hundred sixteen".