612618492 has 24 divisors (see below), whose sum is σ = 1459858176. Its totient is φ = 199861168.

The previous prime is 612618491. The next prime is 612618493. The reversal of 612618492 is 294816216.

It is an interprime number because it is at equal distance from previous prime (612618491) and next prime (612618493).

It is a self number, because there is not a number n which added to its sum of digits gives 612618492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612618491) 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, 542538 + ... + 543665.

It is an arithmetic number, because the mean of its divisors is an integer number (60827424).

Almost surely, 2^612618492 is an apocalyptic number.

It is an amenable number.

612618492 is an abundant number, since it is smaller than the sum of its proper divisors (847239684).

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

612618492 is a wasteful number, since it uses less digits than its factorization.

612618492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086257 (or 1086255 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 612618492 is about 24751.1311256678. The cubic root of 612618492 is about 849.3043868274.

The spelling of 612618492 in words is "six hundred twelve million, six hundred eighteen thousand, four hundred ninety-two".