404032957 has 2 divisors, whose sum is σ = 404032958. Its totient is φ = 404032956.

The previous prime is 404032949. The next prime is 404032991. The reversal of 404032957 is 759230404.

It is an a-pointer prime, because the next prime (404032991) can be obtained adding 404032957 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383728921 + 20304036 = 19589^2 + 4506^2 .

It is a cyclic number.

It is not a de Polignac number, because 404032957 - 2³ = 404032949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404032997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202016478 + 202016479.

It is an arithmetic number, because the mean of its divisors is an integer number (202016479).

Almost surely, 2^404032957 is an apocalyptic number.

It is an amenable number.

404032957 is a deficient number, since it is larger than the sum of its proper divisors (1).

404032957 is an equidigital number, since it uses as much as digits as its factorization.

404032957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 404032957 is about 20100.5710615395. The cubic root of 404032957 is about 739.2742806050.

The spelling of 404032957 in words is "four hundred four million, thirty-two thousand, nine hundred fifty-seven".