390028716 has 96 divisors (see below), whose sum is σ = 1260725760. Its totient is φ = 101304000.

The previous prime is 390028711. The next prime is 390028741. The reversal of 390028716 is 617820093.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (390028711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15135 + ... + 31766.

It is an arithmetic number, because the mean of its divisors is an integer number (13132560).

Almost surely, 2^390028716 is an apocalyptic number.

390028716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

390028716 is an abundant number, since it is smaller than the sum of its proper divisors (870697044).

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

390028716 is a wasteful number, since it uses less digits than its factorization.

390028716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46932 (or 46924 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 390028716 is about 19749.1446903404. The cubic root of 390028716 is about 730.6322888652.

The spelling of 390028716 in words is "three hundred ninety million, twenty-eight thousand, seven hundred sixteen".