612231606 has 24 divisors (see below), whose sum is σ = 1516002384. Its totient is φ = 174923280.

The previous prime is 612231589. The next prime is 612231647. The reversal of 612231606 is 606132216.

612231606 is a `hidden beast` number, since 6 + 1 + 22 + 31 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 612231606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2429365 + ... + 2429616.

It is an arithmetic number, because the mean of its divisors is an integer number (63166766).

Almost surely, 2^612231606 is an apocalyptic number.

612231606 is an abundant number, since it is smaller than the sum of its proper divisors (903770778).

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

612231606 is a wasteful number, since it uses less digits than its factorization.

612231606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858996 (or 4858993 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 612231606 is about 24743.3143697444. The cubic root of 612231606 is about 849.1255625534.

The spelling of 612231606 in words is "six hundred twelve million, two hundred thirty-one thousand, six hundred six".