612469831 has 8 divisors (see below), whose sum is σ = 631041984. Its totient is φ = 594128640.

The previous prime is 612469817. The next prime is 612469841. The reversal of 612469831 is 138964216.

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 612469831 - 2⁵ = 612469799 is a prime.

It is a super-2 number, since 2×612469831² = 750238587770337122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612469811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52350 + ... + 62971.

It is an arithmetic number, because the mean of its divisors is an integer number (78880248).

Almost surely, 2^612469831 is an apocalyptic number.

612469831 is a deficient number, since it is larger than the sum of its proper divisors (18572153).

612469831 is a wasteful number, since it uses less digits than its factorization.

612469831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115481.

The product of its digits is 62208, while the sum is 40.

The square root of 612469831 is about 24748.1278281813. The cubic root of 612469831 is about 849.2356824841.

The spelling of 612469831 in words is "six hundred twelve million, four hundred sixty-nine thousand, eight hundred thirty-one".