401902 has 8 divisors (see below), whose sum is σ = 629136. Its totient is φ = 192192.

The previous prime is 401887. The next prime is 401903. The reversal of 401902 is 209104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (78642).

2⁴⁰¹⁹⁰² is an apocalyptic number.

401902 is a deficient number, since it is larger than the sum of its proper divisors (227234).

401902 is a wasteful number, since it uses less digits than its factorization.

401902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401902 is about 633.9574118188. The cubic root of 401902 is about 73.7972291564.

The spelling of 401902 in words is "four hundred one thousand, nine hundred two".