3391393957 has 8 divisors (see below), whose sum is σ = 3886272896. Its totient is φ = 2899113552.

The previous prime is 3391393939. The next prime is 3391394011. The reversal of 3391393957 is 7593931933.

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 3391393957 - 2⁷ = 3391393829 is a prime.

It is a super-2 number, since 2×3391393957² = 23003105943152235698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391393157) 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, 646833 + ... + 652054.

It is an arithmetic number, because the mean of its divisors is an integer number (485784112).

Almost surely, 2^3391393957 is an apocalyptic number.

It is an amenable number.

3391393957 is a deficient number, since it is larger than the sum of its proper divisors (494878939).

3391393957 is a wasteful number, since it uses less digits than its factorization.

3391393957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299267.

The product of its digits is 2066715, while the sum is 52.

The square root of 3391393957 is about 58235.6759813089. The cubic root of 3391393957 is about 1502.4248124479.

The spelling of 3391393957 in words is "three billion, three hundred ninety-one million, three hundred ninety-three thousand, nine hundred fifty-seven".