612940 has 24 divisors (see below), whose sum is σ = 1355760. Its totient is φ = 232128.

The previous prime is 612929. The next prime is 612947. The reversal of 612940 is 49216.

It is not an unprimeable number, because it can be changed into a prime (612947) 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, 427 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (56490).

2⁶¹²⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

612940 is an abundant number, since it is smaller than the sum of its proper divisors (742820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612940 is a wasteful number, since it uses less digits than its factorization.

612940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 612940 is about 782.9048473474. The cubic root of 612940 is about 84.9452935179.

The spelling of 612940 in words is "six hundred twelve thousand, nine hundred forty".