918372929 has 12 divisors (see below), whose sum is σ = 976668924. Its totient is φ = 863380224.

The previous prime is 918372907. The next prime is 918372943. The reversal of 918372929 is 929273819.

It can be written as a sum of positive squares in 6 ways, for example, as 79691329 + 838681600 = 8927^2 + 28960^2 .

It is not a de Polignac number, because 918372929 - 2¹² = 918368833 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918312929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488339 + ... + 490215.

It is an arithmetic number, because the mean of its divisors is an integer number (81389077).

Almost surely, 2^918372929 is an apocalyptic number.

It is an amenable number.

918372929 is a deficient number, since it is larger than the sum of its proper divisors (58295995).

918372929 is a wasteful number, since it uses less digits than its factorization.

918372929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3587 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 918372929 is about 30304.6684357378. The cubic root of 918372929 is about 972.0151287958.

It can be divided in two parts, 91837292 and 9, that multiplied together give a palindrome (826535628).

The spelling of 918372929 in words is "nine hundred eighteen million, three hundred seventy-two thousand, nine hundred twenty-nine".