390830284 has 12 divisors (see below), whose sum is σ = 736564864. Its totient is φ = 180383184.

The previous prime is 390830281. The next prime is 390830309. The reversal of 390830284 is 482038093.

It is not an unprimeable number, because it can be changed into a prime (390830281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757932 + ... + 3758035.

Almost surely, 2^390830284 is an apocalyptic number.

It is an amenable number.

390830284 is a deficient number, since it is larger than the sum of its proper divisors (345734580).

390830284 is a wasteful number, since it uses less digits than its factorization.

390830284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515984 (or 7515982 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 390830284 is about 19769.4280139816. The cubic root of 390830284 is about 731.1324663267.

The spelling of 390830284 in words is "three hundred ninety million, eight hundred thirty thousand, two hundred eighty-four".