390057 has 8 divisors (see below), whose sum is σ = 542784. Its totient is φ = 248688.

The previous prime is 390043. The next prime is 390067. The reversal of 390057 is 750093.

390057 is nontrivially palindromic in base 7.

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

It is not a de Polignac number, because 390057 - 2¹¹ = 388009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390067) 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, 2758 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (67848).

2³⁹⁰⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

390057 is a deficient number, since it is larger than the sum of its proper divisors (152727).

390057 is a wasteful number, since it uses less digits than its factorization.

390057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 390057 is about 624.5454346963. The cubic root of 390057 is about 73.0649949705.

The spelling of 390057 in words is "three hundred ninety thousand, fifty-seven".