109489646 has 16 divisors (see below), whose sum is σ = 188749440. Its totient is φ = 46660920.

The previous prime is 109489619. The next prime is 109489651. The reversal of 109489646 is 646984901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 109489646.

It is a congruent number.

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, 19340 + ... + 24351.

It is an arithmetic number, because the mean of its divisors is an integer number (11796840).

Almost surely, 2^109489646 is an apocalyptic number.

109489646 is a deficient number, since it is larger than the sum of its proper divisors (79259794).

109489646 is a wasteful number, since it uses less digits than its factorization.

109489646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43879.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 109489646 is about 10463.7300232756. The cubic root of 109489646 is about 478.3998306087.

The spelling of 109489646 in words is "one hundred nine million, four hundred eighty-nine thousand, six hundred forty-six".