402590798 has 4 divisors (see below), whose sum is σ = 603886200. Its totient is φ = 201295398.

The previous prime is 402590729. The next prime is 402590887. The reversal of 402590798 is 897095204.

It is a happy number.

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

It is a super-3 number, since 3×402590798³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100647698 + ... + 100647701.

It is an arithmetic number, because the mean of its divisors is an integer number (150971550).

Almost surely, 2^402590798 is an apocalyptic number.

402590798 is a deficient number, since it is larger than the sum of its proper divisors (201295402).

402590798 is a wasteful number, since it uses less digits than its factorization.

402590798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201295401.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 402590798 is about 20064.6654096200. The cubic root of 402590798 is about 738.3936411505.

The spelling of 402590798 in words is "four hundred two million, five hundred ninety thousand, seven hundred ninety-eight".