102992388 has 48 divisors (see below), whose sum is σ = 254358720. Its totient is φ = 32344704.

The previous prime is 102992377. The next prime is 102992399. The reversal of 102992388 is 883299201.

It is an interprime number because it is at equal distance from previous prime (102992377) and next prime (102992399).

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, 43770 + ... + 46062.

It is an arithmetic number, because the mean of its divisors is an integer number (5299140).

Almost surely, 2^102992388 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 102992388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127179360).

102992388 is an abundant number, since it is smaller than the sum of its proper divisors (151366332).

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

102992388 is a wasteful number, since it uses less digits than its factorization.

102992388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 102992388 is about 10148.5165418400. The cubic root of 102992388 is about 468.7432670322.

The spelling of 102992388 in words is "one hundred two million, nine hundred ninety-two thousand, three hundred eighty-eight".