113209998 has 32 divisors (see below), whose sum is σ = 248071680. Its totient is φ = 34157760.

The previous prime is 113209951. The next prime is 113210003. The reversal of 113209998 is 899902311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12186 + ... + 19362.

It is an arithmetic number, because the mean of its divisors is an integer number (7752240).

Almost surely, 2^113209998 is an apocalyptic number.

113209998 is an abundant number, since it is smaller than the sum of its proper divisors (134861682).

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

113209998 is a wasteful number, since it uses less digits than its factorization.

113209998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 113209998 is about 10640.0187029911. The cubic root of 113209998 is about 483.7581122904.

The spelling of 113209998 in words is "one hundred thirteen million, two hundred nine thousand, nine hundred ninety-eight".