612456 has 48 divisors (see below), whose sum is σ = 1668960. Its totient is φ = 187200.

The previous prime is 612439. The next prime is 612481. The reversal of 612456 is 654216.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3981 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (34770).

2⁶¹²⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834480).

612456 is an abundant number, since it is smaller than the sum of its proper divisors (1056504).

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

612456 is a wasteful number, since it uses less digits than its factorization.

612456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 169 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 612456 is about 782.5956810512. The cubic root of 612456 is about 84.9229289861.

The spelling of 612456 in words is "six hundred twelve thousand, four hundred fifty-six".