109409970 has 32 divisors (see below), whose sum is σ = 263020608. Its totient is φ = 29127488.

The previous prime is 109409941. The next prime is 109409987. The reversal of 109409970 is 79904901.

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, 17617 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (8219394).

Almost surely, 2^109409970 is an apocalyptic number.

109409970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109409970 is an abundant number, since it is smaller than the sum of its proper divisors (153610638).

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

109409970 is a wasteful number, since it uses less digits than its factorization.

109409970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 109409970 is about 10459.9220838398. The cubic root of 109409970 is about 478.2837580362.

It can be divided in two parts, 10940 and 9970, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 109409970 in words is "one hundred nine million, four hundred nine thousand, nine hundred seventy".