916422408 has 48 divisors (see below), whose sum is σ = 2707614000. Its totient is φ = 277703520.

The previous prime is 916422391. The next prime is 916422431. The reversal of 916422408 is 804224619.

916422408 is a `hidden beast` number, since 9 + 1 + 642 + 2 + 4 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577758 + ... + 579341.

It is an arithmetic number, because the mean of its divisors is an integer number (56408625).

Almost surely, 2^916422408 is an apocalyptic number.

It is an amenable number.

916422408 is an abundant number, since it is smaller than the sum of its proper divisors (1791191592).

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

916422408 is a wasteful number, since it uses less digits than its factorization.

916422408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157122 (or 1157115 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 916422408 is about 30272.4694731038. The cubic root of 916422408 is about 971.3264906987.

It can be divided in two parts, 916 and 422408, that added together give a palindrome (423324).

The spelling of 916422408 in words is "nine hundred sixteen million, four hundred twenty-two thousand, four hundred eight".