3949957 has 8 divisors (see below), whose sum is σ = 4368960. Its totient is φ = 3540960.

The previous prime is 3949919. The next prime is 3949961. The reversal of 3949957 is 7599493.

3949957 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3949957 - 2¹⁵ = 3917189 is a prime.

It is a Duffinian number.

3949957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (546120).

Almost surely, 2^3949957 is an apocalyptic number.

It is an amenable number.

3949957 is a deficient number, since it is larger than the sum of its proper divisors (419003).

3949957 is a wasteful number, since it uses less digits than its factorization.

3949957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003.

The product of its digits is 306180, while the sum is 46.

The square root of 3949957 is about 1987.4498735817. The cubic root of 3949957 is about 158.0753392772.

The spelling of 3949957 in words is "three million, nine hundred forty-nine thousand, nine hundred fifty-seven".