916684905 has 32 divisors (see below), whose sum is σ = 1490565888. Its totient is φ = 480972800.

The previous prime is 916684883. The next prime is 916684919. The reversal of 916684905 is 509486619.

It is not a de Polignac number, because 916684905 - 2⁶ = 916684841 is a prime.

It is a super-2 number, since 2×916684905² = 1680622430109718050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937777 + ... + 938753.

It is an arithmetic number, because the mean of its divisors is an integer number (46580184).

Almost surely, 2^916684905 is an apocalyptic number.

It is an amenable number.

916684905 is a deficient number, since it is larger than the sum of its proper divisors (573880983).

916684905 is a wasteful number, since it uses less digits than its factorization.

916684905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 916684905 is about 30276.8047356388. The cubic root of 916684905 is about 971.4192230265.

It can be divided in two parts, 91 and 6684905, that added together give a triangular number (6684996 = T₃₆₅₆).

The spelling of 916684905 in words is "nine hundred sixteen million, six hundred eighty-four thousand, nine hundred five".