920918084 has 24 divisors (see below), whose sum is σ = 1765252440. Its totient is φ = 418428416.

The previous prime is 920918083. The next prime is 920918093. The reversal of 920918084 is 480819029.

It can be written as a sum of positive squares in 4 ways, for example, as 316840000 + 604078084 = 17800^2 + 24578^2 .

It is not an unprimeable number, because it can be changed into a prime (920918083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231527 + ... + 235470.

It is an arithmetic number, because the mean of its divisors is an integer number (73552185).

Almost surely, 2^920918084 is an apocalyptic number.

It is an amenable number.

920918084 is a deficient number, since it is larger than the sum of its proper divisors (844334356).

920918084 is a wasteful number, since it uses less digits than its factorization.

920918084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467047 (or 467045 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 920918084 is about 30346.6321689904. The cubic root of 920918084 is about 972.9122397641.

The spelling of 920918084 in words is "nine hundred twenty million, nine hundred eighteen thousand, eighty-four".