109697280 has 432 divisors, whose sum is σ = 452983104. Its totient is φ = 22364160.

The previous prime is 109697239. The next prime is 109697299. The reversal of 109697280 is 82796901.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2069734 + ... + 2069786.

It is an arithmetic number, because the mean of its divisors is an integer number (1048572).

Almost surely, 2^109697280 is an apocalyptic number.

109697280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226491552).

109697280 is an abundant number, since it is smaller than the sum of its proper divisors (343285824).

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

109697280 is a wasteful number, since it uses less digits than its factorization.

109697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 109697280 is about 10473.6469293174. The cubic root of 109697280 is about 478.7020489756.

The spelling of 109697280 in words is "one hundred nine million, six hundred ninety-seven thousand, two hundred eighty".