109898502 has 32 divisors (see below), whose sum is σ = 256545792. Its totient is φ = 30730944.

The previous prime is 109898501. The next prime is 109898563. The reversal of 109898502 is 205898901.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109898501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25863 + ... + 29810.

It is an arithmetic number, because the mean of its divisors is an integer number (8017056).

Almost surely, 2^109898502 is an apocalyptic number.

109898502 is an abundant number, since it is smaller than the sum of its proper divisors (146647290).

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

109898502 is a wasteful number, since it uses less digits than its factorization.

109898502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55732.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 109898502 is about 10483.2486377077. The cubic root of 109898502 is about 478.9945708013.

It can be divided in two parts, 10989 and 8502, that added together give a palindrome (19491).

The spelling of 109898502 in words is "one hundred nine million, eight hundred ninety-eight thousand, five hundred two".