916253739 has 18 divisors (see below), whose sum is σ = 1396805436. Its totient is φ = 578684520.

The previous prime is 916253731. The next prime is 916253813. The reversal of 916253739 is 937352619.

It is not a de Polignac number, because 916253739 - 2³ = 916253731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 916253694 and 916253703.

It is not an unprimeable number, because it can be changed into a prime (916253731) 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 17 ways as a sum of consecutive naturals, for example, 137757 + ... + 144254.

It is an arithmetic number, because the mean of its divisors is an integer number (77600302).

Almost surely, 2^916253739 is an apocalyptic number.

916253739 is a deficient number, since it is larger than the sum of its proper divisors (480551697).

916253739 is a wasteful number, since it uses less digits than its factorization.

916253739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282055 (or 282033 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 916253739 is about 30269.6834968587. The cubic root of 916253739 is about 971.2668956478.

The spelling of 916253739 in words is "nine hundred sixteen million, two hundred fifty-three thousand, seven hundred thirty-nine".