109834857 has 24 divisors (see below), whose sum is σ = 177104928. Its totient is φ = 65016000.

The previous prime is 109834843. The next prime is 109834889. The reversal of 109834857 is 758438901.

It is not a de Polignac number, because 109834857 - 2⁶ = 109834793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109834057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8644 + ... + 17157.

It is an arithmetic number, because the mean of its divisors is an integer number (7379372).

Almost surely, 2^109834857 is an apocalyptic number.

It is an amenable number.

109834857 is a deficient number, since it is larger than the sum of its proper divisors (67270071).

109834857 is a wasteful number, since it uses less digits than its factorization.

109834857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25861 (or 25858 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 109834857 is about 10480.2126409725. The cubic root of 109834857 is about 478.9020869918.

The spelling of 109834857 in words is "one hundred nine million, eight hundred thirty-four thousand, eight hundred fifty-seven".