390673902 has 16 divisors (see below), whose sum is σ = 789404112. Its totient is φ = 128881920.

The previous prime is 390673901. The next prime is 390673903. The reversal of 390673902 is 209376093.

It is an interprime number because it is at equal distance from previous prime (390673901) and next prime (390673903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390673901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335049 + ... + 336212.

It is an arithmetic number, because the mean of its divisors is an integer number (49337757).

Almost surely, 2^390673902 is an apocalyptic number.

390673902 is an abundant number, since it is smaller than the sum of its proper divisors (398730210).

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

390673902 is a wasteful number, since it uses less digits than its factorization.

390673902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671363.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 390673902 is about 19765.4724709530. The cubic root of 390673902 is about 731.0349378810.

The spelling of 390673902 in words is "three hundred ninety million, six hundred seventy-three thousand, nine hundred two".