531994 has 8 divisors (see below), whose sum is σ = 801108. Its totient is φ = 264960.

The previous prime is 531989. The next prime is 531997. The reversal of 531994 is 499135.

It can be written as a sum of positive squares in 2 ways, for example, as 497025 + 34969 = 705^2 + 187^2 .

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 (531997) 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, 634 + ... + 1210.

2⁵³¹⁹⁹⁴ is an apocalyptic number.

531994 is a deficient number, since it is larger than the sum of its proper divisors (269114).

531994 is a wasteful number, since it uses less digits than its factorization.

531994 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 4860, while the sum is 31.

The square root of 531994 is about 729.3791880771. The cubic root of 531994 is about 81.0280855713.

The spelling of 531994 in words is "five hundred thirty-one thousand, nine hundred ninety-four".