390384798 has 32 divisors (see below), whose sum is σ = 807106560. Its totient is φ = 125750880.

The previous prime is 390384793. The next prime is 390384823. The reversal of 390384798 is 897483093.

It is a self number, because there is not a number n which added to its sum of digits gives 390384798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390384791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206823 + ... + 208701.

It is an arithmetic number, because the mean of its divisors is an integer number (25222080).

Almost surely, 2^390384798 is an apocalyptic number.

390384798 is an abundant number, since it is smaller than the sum of its proper divisors (416721762).

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

390384798 is a wasteful number, since it uses less digits than its factorization.

390384798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 390384798 is about 19758.1577582527. The cubic root of 390384798 is about 730.8545681167.

The spelling of 390384798 in words is "three hundred ninety million, three hundred eighty-four thousand, seven hundred ninety-eight".