3908457 has 12 divisors (see below), whose sum is σ = 6452160. Its totient is φ = 2233368.

The previous prime is 3908441. The next prime is 3908467. The reversal of 3908457 is 7548093.

It is not a de Polignac number, because 3908457 - 2⁴ = 3908441 is a prime.

It is a super-2 number, since 2×3908457² = 30552072241698, which contains 22 as substring.

3908457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3908467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30957 + ... + 31082.

It is an arithmetic number, because the mean of its divisors is an integer number (537680).

Almost surely, 2^3908457 is an apocalyptic number.

It is an amenable number.

3908457 is a deficient number, since it is larger than the sum of its proper divisors (2543703).

3908457 is a wasteful number, since it uses less digits than its factorization.

3908457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62052 (or 62049 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3908457 is about 1976.9817905079. The cubic root of 3908457 is about 157.5197858741.

The spelling of 3908457 in words is "three million, nine hundred eight thousand, four hundred fifty-seven".