398286902 has 16 divisors (see below), whose sum is σ = 644399280. Its totient is φ = 183535392.

The previous prime is 398286893. The next prime is 398286923. The reversal of 398286902 is 209682893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249 + ... + 28707.

It is an arithmetic number, because the mean of its divisors is an integer number (40274955).

Almost surely, 2^398286902 is an apocalyptic number.

398286902 is a deficient number, since it is larger than the sum of its proper divisors (246112378).

398286902 is a wasteful number, since it uses less digits than its factorization.

398286902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24127.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 398286902 is about 19957.1265967824. The cubic root of 398286902 is about 735.7529433763.

The spelling of 398286902 in words is "three hundred ninety-eight million, two hundred eighty-six thousand, nine hundred two".