3950457 has 16 divisors (see below), whose sum is σ = 6282240. Its totient is φ = 2158992.

The previous prime is 3950449. The next prime is 3950459. The reversal of 3950457 is 7540593.

It is not a de Polignac number, because 3950457 - 2³ = 3950449 is a prime.

It is a super-2 number, since 2×3950457² = 31212221017698, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3950459) 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 15 ways as a sum of consecutive naturals, for example, 3607 + ... + 4572.

It is an arithmetic number, because the mean of its divisors is an integer number (392640).

Almost surely, 2^3950457 is an apocalyptic number.

It is an amenable number.

3950457 is a deficient number, since it is larger than the sum of its proper divisors (2331783).

3950457 is a wasteful number, since it uses less digits than its factorization.

3950457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3950457 is about 1987.5756589373. The cubic root of 3950457 is about 158.0820089139.

The spelling of 3950457 in words is "three million, nine hundred fifty thousand, four hundred fifty-seven".