916491500 has 24 divisors (see below), whose sum is σ = 2001618528. Its totient is φ = 366596400.

The previous prime is 916491497. The next prime is 916491559. The reversal of 916491500 is 5194619.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915992 + ... + 916991.

It is an arithmetic number, because the mean of its divisors is an integer number (83400772).

Almost surely, 2^916491500 is an apocalyptic number.

It is an amenable number.

916491500 is an abundant number, since it is smaller than the sum of its proper divisors (1085127028).

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

916491500 is a wasteful number, since it uses less digits than its factorization.

916491500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833002 (or 1832990 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 916491500 is about 30273.6106204727. The cubic root of 916491500 is about 971.3509005497.

The spelling of 916491500 in words is "nine hundred sixteen million, four hundred ninety-one thousand, five hundred".