118293988 has 6 divisors (see below), whose sum is σ = 207014486. Its totient is φ = 59146992.

The previous prime is 118293977. The next prime is 118294003. The reversal of 118293988 is 889392811.

It can be written as a sum of positive squares in only one way, i.e., 117462244 + 831744 = 10838^2 + 912^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14786745 + ... + 14786752.

Almost surely, 2^118293988 is an apocalyptic number.

It is an amenable number.

118293988 is a deficient number, since it is larger than the sum of its proper divisors (88720498).

118293988 is a wasteful number, since it uses less digits than its factorization.

118293988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29573501 (or 29573499 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 118293988 is about 10876.3039678008. The cubic root of 118293988 is about 490.8938121653.

The spelling of 118293988 in words is "one hundred eighteen million, two hundred ninety-three thousand, nine hundred eighty-eight".