109437420 has 24 divisors (see below), whose sum is σ = 306424944. Its totient is φ = 29183296.

The previous prime is 109437407. The next prime is 109437481. The reversal of 109437420 is 24734901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911919 + ... + 912038.

It is an arithmetic number, because the mean of its divisors is an integer number (12767706).

Almost surely, 2^109437420 is an apocalyptic number.

109437420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109437420 is an abundant number, since it is smaller than the sum of its proper divisors (196987524).

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

109437420 is a wasteful number, since it uses less digits than its factorization.

109437420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823969 (or 1823967 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 109437420 is about 10461.2341528139. The cubic root of 109437420 is about 478.3237537555.

The spelling of 109437420 in words is "one hundred nine million, four hundred thirty-seven thousand, four hundred twenty".