390048330 has 48 divisors (see below), whose sum is σ = 1088955360. Its totient is φ = 89153568.

The previous prime is 390048319. The next prime is 390048343. The reversal of 390048330 is 33840093.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 131200 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (22686570).

Almost surely, 2^390048330 is an apocalyptic number.

390048330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390048330 is an abundant number, since it is smaller than the sum of its proper divisors (698907030).

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

390048330 is a wasteful number, since it uses less digits than its factorization.

390048330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265363 (or 265356 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 390048330 is about 19749.6412625647. The cubic root of 390048330 is about 730.6445361528.

The spelling of 390048330 in words is "three hundred ninety million, forty-eight thousand, three hundred thirty".