390266 has 8 divisors (see below), whose sum is σ = 592704. Its totient is φ = 192700.

The previous prime is 390263. The next prime is 390281. The reversal of 390266 is 662093.

390266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (390263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2³⁹⁰²⁶⁶ is an apocalyptic number.

390266 is a deficient number, since it is larger than the sum of its proper divisors (202438).

390266 is a wasteful number, since it uses less digits than its factorization.

390266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 390266 is about 624.7127339826. The cubic root of 390266 is about 73.0780425143.

It can be divided in two parts, 390 and 266, that multiplied together give a triangular number (103740 = T₄₅₅).

The spelling of 390266 in words is "three hundred ninety thousand, two hundred sixty-six".