402598 has 16 divisors (see below), whose sum is σ = 698400. Its totient is φ = 170496.

The previous prime is 402593. The next prime is 402601. The reversal of 402598 is 895204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402593) by changing a digit.

402598 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (43650).

2⁴⁰²⁵⁹⁸ is an apocalyptic number.

402598 is a deficient number, since it is larger than the sum of its proper divisors (295802).

402598 is a wasteful number, since it uses less digits than its factorization.

402598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 402598 is about 634.5061071416. The cubic root of 402598 is about 73.8398044198.

It can be divided in two parts, 402 and 598, that added together give a cube (1000 = 10³).

The spelling of 402598 in words is "four hundred two thousand, five hundred ninety-eight".