531894379 has 8 divisors (see below), whose sum is σ = 570453840. Its totient is φ = 494391456.

The previous prime is 531894371. The next prime is 531894397. The reversal of 531894379 is 973498135.

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

It is a cyclic number.

It is not a de Polignac number, because 531894379 - 2³ = 531894371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531894371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263092 + ... + 265105.

It is an arithmetic number, because the mean of its divisors is an integer number (71306730).

Almost surely, 2^531894379 is an apocalyptic number.

531894379 is a deficient number, since it is larger than the sum of its proper divisors (38559461).

531894379 is a wasteful number, since it uses less digits than its factorization.

531894379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528269.

The product of its digits is 816480, while the sum is 49.

The square root of 531894379 is about 23062.8354501349. The cubic root of 531894379 is about 810.2302749242.

The spelling of 531894379 in words is "five hundred thirty-one million, eight hundred ninety-four thousand, three hundred seventy-nine".