231394 has 8 divisors (see below), whose sum is σ = 350208. Its totient is φ = 114660.

The previous prime is 231379. The next prime is 231409. The reversal of 231394 is 493132.

231394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231379) and next prime (231409).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2²³¹³⁹⁴ is an apocalyptic number.

231394 is a deficient number, since it is larger than the sum of its proper divisors (118814).

231394 is a wasteful number, since it uses less digits than its factorization.

231394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its digits is 648, while the sum is 22.

The square root of 231394 is about 481.0343023112. The cubic root of 231394 is about 61.3927891740.

It can be divided in two parts, 231 and 394, that added together give a 4-th power (625 = 5⁴).

The spelling of 231394 in words is "two hundred thirty-one thousand, three hundred ninety-four".