402392393 has 8 divisors (see below), whose sum is σ = 456153600. Its totient is φ = 351889488.

The previous prime is 402392381. The next prime is 402392399. The reversal of 402392393 is 393293204.

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 402392393 - 2¹⁸ = 402130249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402392399) 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, 814313 + ... + 814806.

It is an arithmetic number, because the mean of its divisors is an integer number (57019200).

Almost surely, 2^402392393 is an apocalyptic number.

It is an amenable number.

402392393 is a deficient number, since it is larger than the sum of its proper divisors (53761207).

402392393 is a wasteful number, since it uses less digits than its factorization.

402392393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629151.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 402392393 is about 20059.7206610660. The cubic root of 402392393 is about 738.2723227101.

The spelling of 402392393 in words is "four hundred two million, three hundred ninety-two thousand, three hundred ninety-three".