109897854 has 32 divisors (see below), whose sum is σ = 240637824. Its totient is φ = 33182880.

The previous prime is 109897819. The next prime is 109897861. The reversal of 109897854 is 458798901.

It is a junction number, because it is equal to n+sod(n) for n = 109897797 and 109897806.

It is a congruent number.

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, 16497 + ... + 22179.

It is an arithmetic number, because the mean of its divisors is an integer number (7519932).

Almost surely, 2^109897854 is an apocalyptic number.

109897854 is an abundant number, since it is smaller than the sum of its proper divisors (130739970).

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

109897854 is a wasteful number, since it uses less digits than its factorization.

109897854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 109897854 is about 10483.2177312121. The cubic root of 109897854 is about 478.9936293596.

The spelling of 109897854 in words is "one hundred nine million, eight hundred ninety-seven thousand, eight hundred fifty-four".