918149004 has 36 divisors (see below), whose sum is σ = 2343418896. Its totient is φ = 303077088.

The previous prime is 918148991. The next prime is 918149017. The reversal of 918149004 is 400941819.

918149004 is a `hidden beast` number, since 91 + 81 + 490 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (918148991) and next prime (918149017).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 918149004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120099 + ... + 127514.

Almost surely, 2^918149004 is an apocalyptic number.

It is an amenable number.

918149004 is an abundant number, since it is smaller than the sum of its proper divisors (1425269892).

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

918149004 is a wasteful number, since it uses less digits than its factorization.

918149004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247726 (or 247721 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 918149004 is about 30300.9736477229. The cubic root of 918149004 is about 971.9361208846.

It can be divided in two parts, 9181 and 49004, that added together give a palindrome (58185).

The spelling of 918149004 in words is "nine hundred eighteen million, one hundred forty-nine thousand, four".