612880928 has 48 divisors (see below), whose sum is σ = 1329410880. Its totient is φ = 275808000.

The previous prime is 612880927. The next prime is 612880999. The reversal of 612880928 is 829088216.

It is a super-2 number, since 2×612880928² = 751246063812282368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (612880921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26933 + ... + 44171.

It is an arithmetic number, because the mean of its divisors is an integer number (27696060).

Almost surely, 2^612880928 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 612880928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664705440).

612880928 is an abundant number, since it is smaller than the sum of its proper divisors (716529952).

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

612880928 is a wasteful number, since it uses less digits than its factorization.

612880928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17361 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 612880928 is about 24756.4320531049. The cubic root of 612880928 is about 849.4256456692.

The spelling of 612880928 in words is "six hundred twelve million, eight hundred eighty thousand, nine hundred twenty-eight".