390894 has 32 divisors (see below), whose sum is σ = 919296. Its totient is φ = 108480.

The previous prime is 390893. The next prime is 390953. The reversal of 390894 is 498093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609 + ... + 1835.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2³⁹⁰⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459648).

390894 is an abundant number, since it is smaller than the sum of its proper divisors (528402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390894 is a wasteful number, since it uses less digits than its factorization.

390894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 390894 is about 625.2151629639. The cubic root of 390894 is about 73.1172195681.

It can be divided in two parts, 39089 and 4, that added together give a palindrome (39093).

The spelling of 390894 in words is "three hundred ninety thousand, eight hundred ninety-four".