612944 has 20 divisors (see below), whose sum is σ = 1229460. Its totient is φ = 295680.

The previous prime is 612929. The next prime is 612947. The reversal of 612944 is 449216.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 150544 = 680^2 + 388^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 197 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (61473).

2⁶¹²⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

612944 is an abundant number, since it is smaller than the sum of its proper divisors (616516).

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

612944 is a wasteful number, since it uses less digits than its factorization.

612944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1352 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 612944 is about 782.9074019321. The cubic root of 612944 is about 84.9454782997.

The spelling of 612944 in words is "six hundred twelve thousand, nine hundred forty-four".