109288930 has 32 divisors (see below), whose sum is σ = 199938816. Its totient is φ = 43006464.

The previous prime is 109288909. The next prime is 109288943. The reversal of 109288930 is 39882901.

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, 297607 + ... + 297973.

It is an arithmetic number, because the mean of its divisors is an integer number (6248088).

Almost surely, 2^109288930 is an apocalyptic number.

109288930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109288930 is a deficient number, since it is larger than the sum of its proper divisors (90649886).

109288930 is a wasteful number, since it uses less digits than its factorization.

109288930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 109288930 is about 10454.1345887644. The cubic root of 109288930 is about 478.1073182121.

The spelling of 109288930 in words is "one hundred nine million, two hundred eighty-eight thousand, nine hundred thirty".