109082988 has 36 divisors (see below), whose sum is σ = 315129360. Its totient is φ = 31166496.

The previous prime is 109082983. The next prime is 109082989. The reversal of 109082988 is 889280901.

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

It is not an unprimeable number, because it can be changed into a prime (109082983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216183 + ... + 216686.

Almost surely, 2^109082988 is an apocalyptic number.

109082988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109082988 is an abundant number, since it is smaller than the sum of its proper divisors (206046372).

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

109082988 is a wasteful number, since it uses less digits than its factorization.

109082988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432886 (or 432881 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 109082988 is about 10444.2801571003. The cubic root of 109082988 is about 477.8068172402.

The spelling of 109082988 in words is "one hundred nine million, eighty-two thousand, nine hundred eighty-eight".