88149990 has 16 divisors (see below), whose sum is σ = 211560048. Its totient is φ = 23506656.

The previous prime is 88149989. The next prime is 88149991. The reversal of 88149990 is 9994188.

It is an interprime number because it is at equal distance from previous prime (88149989) and next prime (88149991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88149991) 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 7 ways as a sum of consecutive naturals, for example, 1469137 + ... + 1469196.

It is an arithmetic number, because the mean of its divisors is an integer number (13222503).

Almost surely, 2^88149990 is an apocalyptic number.

88149990 is an abundant number, since it is smaller than the sum of its proper divisors (123410058).

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

88149990 is a wasteful number, since it uses less digits than its factorization.

88149990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938343.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 88149990 is about 9388.8226098910. The cubic root of 88149990 is about 445.0485828370.

The spelling of 88149990 in words is "eighty-eight million, one hundred forty-nine thousand, nine hundred ninety".