402034957 has 4 divisors (see below), whose sum is σ = 408625756. Its totient is φ = 395444160.

The previous prime is 402034951. The next prime is 402034979. The reversal of 402034957 is 759430204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 217238121 + 184796836 = 14739^2 + 13594^2 .

It is a cyclic number.

It is not a de Polignac number, because 402034957 - 2³ = 402034949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402034951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295308 + ... + 3295429.

It is an arithmetic number, because the mean of its divisors is an integer number (102156439).

Almost surely, 2^402034957 is an apocalyptic number.

It is an amenable number.

402034957 is a deficient number, since it is larger than the sum of its proper divisors (6590799).

402034957 is an equidigital number, since it uses as much as digits as its factorization.

402034957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590798.

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

The square root of 402034957 is about 20050.8093851595. The cubic root of 402034957 is about 738.0536611221.

The spelling of 402034957 in words is "four hundred two million, thirty-four thousand, nine hundred fifty-seven".