428902 has 4 divisors (see below), whose sum is σ = 643356. Its totient is φ = 214450.

The previous prime is 428899. The next prime is 428951. The reversal of 428902 is 209824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107224 + ... + 107227.

It is an arithmetic number, because the mean of its divisors is an integer number (160839).

2⁴²⁸⁹⁰² is an apocalyptic number.

428902 is a deficient number, since it is larger than the sum of its proper divisors (214454).

428902 is a wasteful number, since it uses less digits than its factorization.

428902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214453.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 428902 is about 654.9061001396. The cubic root of 428902 is about 75.4141239574.

The spelling of 428902 in words is "four hundred twenty-eight thousand, nine hundred two".