916848609 has 16 divisors (see below), whose sum is σ = 1288255104. Its totient is φ = 578864000.

The previous prime is 916848593. The next prime is 916848637. The reversal of 916848609 is 906848619.

It is a happy number.

It is not a de Polignac number, because 916848609 - 2⁴ = 916848593 is a prime.

It is a super-2 number, since 2×916848609² = 1681222743650469762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (916848649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58812 + ... + 72749.

It is an arithmetic number, because the mean of its divisors is an integer number (80515944).

Almost surely, 2^916848609 is an apocalyptic number.

It is an amenable number.

916848609 is a deficient number, since it is larger than the sum of its proper divisors (371406495).

916848609 is a wasteful number, since it uses less digits than its factorization.

916848609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131688.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 916848609 is about 30279.5080706408. The cubic root of 916848609 is about 971.4770457840.

The spelling of 916848609 in words is "nine hundred sixteen million, eight hundred forty-eight thousand, six hundred nine".