403902 has 24 divisors (see below), whose sum is σ = 921960. Its totient is φ = 127440.

The previous prime is 403901. The next prime is 403933. The reversal of 403902 is 209304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (38415).

2⁴⁰³⁹⁰² is an apocalyptic number.

403902 is an abundant number, since it is smaller than the sum of its proper divisors (518058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403902 is a wasteful number, since it uses less digits than its factorization.

403902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 403902 is about 635.5328473022. The cubic root of 403902 is about 73.9194399660.

The spelling of 403902 in words is "four hundred three thousand, nine hundred two".