402955 has 16 divisors (see below), whose sum is σ = 573120. Its totient is φ = 266112.

The previous prime is 402949. The next prime is 402991. The reversal of 402955 is 559204.

It is not a de Polignac number, because 402955 - 2³ = 402947 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 0 + 9⁵ + 2⁹ + 5⁵ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (35820).

2⁴⁰²⁹⁵⁵ is an apocalyptic number.

402955 is a deficient number, since it is larger than the sum of its proper divisors (170165).

402955 is a wasteful number, since it uses less digits than its factorization.

402955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 402955 is about 634.7873659738. The cubic root of 402955 is about 73.8616235564.

The spelling of 402955 in words is "four hundred two thousand, nine hundred fifty-five".