390342528 has 48 divisors (see below), whose sum is σ = 1123254600. Its totient is φ = 130113792.

The previous prime is 390342503. The next prime is 390342541. The reversal of 390342528 is 825243093.

390342528 is a `hidden beast` number, since 3 + 90 + 3 + 42 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 390342492 and 390342501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168268 + ... + 170571.

Almost surely, 2^390342528 is an apocalyptic number.

It is an amenable number.

390342528 is an abundant number, since it is smaller than the sum of its proper divisors (732912072).

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

390342528 is a wasteful number, since it uses less digits than its factorization.

390342528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338859 (or 338844 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 390342528 is about 19757.0880445475. The cubic root of 390342528 is about 730.8281887274.

The spelling of 390342528 in words is "three hundred ninety million, three hundred forty-two thousand, five hundred twenty-eight".