612946288 has 20 divisors (see below), whose sum is σ = 1257441840. Its totient is φ = 288445184.

The previous prime is 612946283. The next prime is 612946309. The reversal of 612946288 is 882649216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612946283) 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 3 ways as a sum of consecutive naturals, for example, 1126468 + ... + 1127011.

It is an arithmetic number, because the mean of its divisors is an integer number (62872092).

Almost surely, 2^612946288 is an apocalyptic number.

612946288 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

612946288 is an abundant number, since it is smaller than the sum of its proper divisors (644495552).

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

612946288 is a wasteful number, since it uses less digits than its factorization.

612946288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253504 (or 2253498 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 612946288 is about 24757.7520788944. The cubic root of 612946288 is about 849.4558399447.

The spelling of 612946288 in words is "six hundred twelve million, nine hundred forty-six thousand, two hundred eighty-eight".