390477 has 8 divisors (see below), whose sum is σ = 528064. Its totient is φ = 256608.

The previous prime is 390463. The next prime is 390479. The reversal of 390477 is 774093.

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

It is not a de Polignac number, because 390477 - 2⁶ = 390413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390477.

It is not an unprimeable number, because it can be changed into a prime (390479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (66008).

2³⁹⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

390477 is a deficient number, since it is larger than the sum of its proper divisors (137587).

390477 is a wasteful number, since it uses less digits than its factorization.

390477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

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

The square root of 390477 is about 624.8815887830. The cubic root of 390477 is about 73.0912101905.

The spelling of 390477 in words is "three hundred ninety thousand, four hundred seventy-seven".