390854 has 4 divisors (see below), whose sum is σ = 586284. Its totient is φ = 195426.

The previous prime is 390851. The next prime is 390869. The reversal of 390854 is 458093.

390854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458093 = 41 ⋅11173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97712 + ... + 97715.

It is an arithmetic number, because the mean of its divisors is an integer number (146571).

2³⁹⁰⁸⁵⁴ is an apocalyptic number.

390854 is a deficient number, since it is larger than the sum of its proper divisors (195430).

390854 is a wasteful number, since it uses less digits than its factorization.

390854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195429.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 390854 is about 625.1831731581. The cubic root of 390854 is about 73.1147254661.

The spelling of 390854 in words is "three hundred ninety thousand, eight hundred fifty-four".