109985740 has 12 divisors (see below), whose sum is σ = 230970096. Its totient is φ = 43994288.

The previous prime is 109985731. The next prime is 109985749. The reversal of 109985740 is 47589901.

It is an interprime number because it is at equal distance from previous prime (109985731) and next prime (109985749).

It is not an unprimeable number, because it can be changed into a prime (109985749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749624 + ... + 2749663.

It is an arithmetic number, because the mean of its divisors is an integer number (19247508).

Almost surely, 2^109985740 is an apocalyptic number.

109985740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109985740 is an abundant number, since it is smaller than the sum of its proper divisors (120984356).

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

109985740 is a wasteful number, since it uses less digits than its factorization.

109985740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499296 (or 5499294 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 109985740 is about 10487.4086408416. The cubic root of 109985740 is about 479.1212800700.

The spelling of 109985740 in words is "one hundred nine million, nine hundred eighty-five thousand, seven hundred forty".