612464 has 20 divisors (see below), whose sum is σ = 1201560. Its totient is φ = 302400.

The previous prime is 612439. The next prime is 612481. The reversal of 612464 is 464216.

It is a happy number.

It is a super-2 number, since 2×612464² = 750224302592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427 + ... + 1805.

It is an arithmetic number, because the mean of its divisors is an integer number (60078).

2⁶¹²⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

612464 is a deficient number, since it is larger than the sum of its proper divisors (589096).

612464 is a wasteful number, since it uses less digits than its factorization.

612464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 482 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 612464 is about 782.6007922306. The cubic root of 612464 is about 84.9232987435.

The spelling of 612464 in words is "six hundred twelve thousand, four hundred sixty-four".