402898 has 4 divisors (see below), whose sum is σ = 604350. Its totient is φ = 201448.

The previous prime is 402881. The next prime is 402923. The reversal of 402898 is 898204.

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

It can be written as a sum of positive squares in only one way, i.e., 400689 + 2209 = 633^2 + 47^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100723 + ... + 100726.

2⁴⁰²⁸⁹⁸ is an apocalyptic number.

402898 is a deficient number, since it is larger than the sum of its proper divisors (201452).

402898 is a wasteful number, since it uses less digits than its factorization.

402898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201451.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 402898 is about 634.7424674622. The cubic root of 402898 is about 73.8581406935.

The spelling of 402898 in words is "four hundred two thousand, eight hundred ninety-eight".