390271 has 8 divisors (see below), whose sum is σ = 450560. Its totient is φ = 331128.

The previous prime is 390263. The next prime is 390281. The reversal of 390271 is 172093.

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

It is not a de Polignac number, because 390271 - 2³ = 390263 is a prime.

It is a super-2 number, since 2×390271² = 304622906882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390211) 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, 670 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (56320).

2³⁹⁰²⁷¹ is an apocalyptic number.

390271 is a deficient number, since it is larger than the sum of its proper divisors (60289).

390271 is a wasteful number, since it uses less digits than its factorization.

390271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 390271 is about 624.7167358091. The cubic root of 390271 is about 73.0783545994.

The spelling of 390271 in words is "three hundred ninety thousand, two hundred seventy-one".