918739152 has 80 divisors (see below), whose sum is σ = 2701493760. Its totient is φ = 298771200.

The previous prime is 918739147. The next prime is 918739181. The reversal of 918739152 is 251937819.

It is a junction number, because it is equal to n+sod(n) for n = 918739098 and 918739107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8224 + ... + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (33768672).

Almost surely, 2^918739152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918739152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350746880).

918739152 is an abundant number, since it is smaller than the sum of its proper divisors (1782754608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

918739152 is a wasteful number, since it uses less digits than its factorization.

918739152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51929 (or 51917 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 918739152 is about 30310.7101863351. The cubic root of 918739152 is about 972.1443163252.

It can be divided in two parts, 91873 and 9152, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 918739152 in words is "nine hundred eighteen million, seven hundred thirty-nine thousand, one hundred fifty-two".