390774 has 8 divisors (see below), whose sum is σ = 781560. Its totient is φ = 130256.

The previous prime is 390763. The next prime is 390781. The reversal of 390774 is 477093.

It is a sphenic number, since it is the product of 3 distinct primes.

390774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32559 + ... + 32570.

It is an arithmetic number, because the mean of its divisors is an integer number (97695).

2³⁹⁰⁷⁷⁴ is an apocalyptic number.

390774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

390774 is a wasteful number, since it uses less digits than its factorization.

390774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65134.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 390774 is about 625.1191886353. The cubic root of 390774 is about 73.1097367515.

The spelling of 390774 in words is "three hundred ninety thousand, seven hundred seventy-four".