918980739 has 12 divisors (see below), whose sum is σ = 1373190000. Its totient is φ = 591527664.

The previous prime is 918980723. The next prime is 918980743. The reversal of 918980739 is 937089819.

It is not a de Polignac number, because 918980739 - 2⁴ = 918980723 is a prime.

It is a super-2 number, since 2×918980739² = 1689051197305972242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (918980779) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1760239 + ... + 1760760.

It is an arithmetic number, because the mean of its divisors is an integer number (114432500).

Almost surely, 2^918980739 is an apocalyptic number.

918980739 is a deficient number, since it is larger than the sum of its proper divisors (454209261).

918980739 is a wasteful number, since it uses less digits than its factorization.

918980739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521034 (or 3521031 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 918980739 is about 30314.6950999016. The cubic root of 918980739 is about 972.2295189081.

The spelling of 918980739 in words is "nine hundred eighteen million, nine hundred eighty thousand, seven hundred thirty-nine".