109897994 has 8 divisors (see below), whose sum is σ = 170531460. Its totient is φ = 53054176.

The previous prime is 109897973. The next prime is 109898003. The reversal of 109897994 is 499798901.

It can be written as a sum of positive squares in 2 ways, for example, as 97752769 + 12145225 = 9887^2 + 3485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947339 + ... + 947454.

Almost surely, 2^109897994 is an apocalyptic number.

109897994 is a deficient number, since it is larger than the sum of its proper divisors (60633466).

109897994 is a wasteful number, since it uses less digits than its factorization.

109897994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894824.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 109897994 is about 10483.2244085491. The cubic root of 109897994 is about 478.9938327578.

The spelling of 109897994 in words is "one hundred nine million, eight hundred ninety-seven thousand, nine hundred ninety-four".