920609344 has 28 divisors (see below), whose sum is σ = 1844934588. Its totient is φ = 455744000.

The previous prime is 920609341. The next prime is 920609353. The reversal of 920609344 is 443906029.

920609344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 784000000 + 136609344 = 28000^2 + 11688^2 .

It is a super-2 number, since 2×920609344² = 1695043128520220672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (920609341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64747 + ... + 77674.

It is an arithmetic number, because the mean of its divisors is an integer number (65890521).

Almost surely, 2^920609344 is an apocalyptic number.

It is an amenable number.

920609344 is an abundant number, since it is smaller than the sum of its proper divisors (924325244).

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

920609344 is a wasteful number, since it uses less digits than its factorization.

920609344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142534 (or 142524 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 920609344 is about 30341.5448519023. The cubic root of 920609344 is about 972.8035038900.

The spelling of 920609344 in words is "nine hundred twenty million, six hundred nine thousand, three hundred forty-four".