916398634 has 8 divisors (see below), whose sum is σ = 1455456708. Its totient is φ = 431246400.

The previous prime is 916398631. The next prime is 916398661. The reversal of 916398634 is 436893619.

916398634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 906190609 + 10208025 = 30103^2 + 3195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (916398631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13476417 + ... + 13476484.

Almost surely, 2^916398634 is an apocalyptic number.

916398634 is a deficient number, since it is larger than the sum of its proper divisors (539058074).

916398634 is a wasteful number, since it uses less digits than its factorization.

916398634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952920.

The product of its digits is 839808, while the sum is 49.

The square root of 916398634 is about 30272.0768035495. The cubic root of 916398634 is about 971.3180911821.

The spelling of 916398634 in words is "nine hundred sixteen million, three hundred ninety-eight thousand, six hundred thirty-four".