916609974 has 24 divisors (see below), whose sum is σ = 2132521848. Its totient is φ = 261888480.

The previous prime is 916609963. The next prime is 916609979. The reversal of 916609974 is 479906619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916609979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1558567 + ... + 1559154.

It is an arithmetic number, because the mean of its divisors is an integer number (88855077).

Almost surely, 2^916609974 is an apocalyptic number.

916609974 is an abundant number, since it is smaller than the sum of its proper divisors (1215911874).

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

916609974 is a wasteful number, since it uses less digits than its factorization.

916609974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117740 (or 3117733 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 916609974 is about 30275.5672779223. The cubic root of 916609974 is about 971.3927539541.

The spelling of 916609974 in words is "nine hundred sixteen million, six hundred nine thousand, nine hundred seventy-four".