612891934 has 16 divisors (see below), whose sum is σ = 929760768. Its totient is φ = 302983192.

The previous prime is 612891893. The next prime is 612891953. The reversal of 612891934 is 439198216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117939 + ... + 123025.

It is an arithmetic number, because the mean of its divisors is an integer number (58110048).

Almost surely, 2^612891934 is an apocalyptic number.

612891934 is a deficient number, since it is larger than the sum of its proper divisors (316868834).

612891934 is a wasteful number, since it uses less digits than its factorization.

612891934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759.

The product of its digits is 93312, while the sum is 43.

The square root of 612891934 is about 24756.6543377735. The cubic root of 612891934 is about 849.4307302473.

The spelling of 612891934 in words is "six hundred twelve million, eight hundred ninety-one thousand, nine hundred thirty-four".