109896819 has 4 divisors (see below), whose sum is σ = 146529096. Its totient is φ = 73264544.

The previous prime is 109896803. The next prime is 109896827. The reversal of 109896819 is 918698901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109896819 - 2⁴ = 109896803 is a prime.

It is a super-2 number, since 2×109896819² = 24154621652637522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109896889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18316134 + ... + 18316139.

It is an arithmetic number, because the mean of its divisors is an integer number (36632274).

Almost surely, 2^109896819 is an apocalyptic number.

109896819 is a deficient number, since it is larger than the sum of its proper divisors (36632277).

109896819 is an equidigital number, since it uses as much as digits as its factorization.

109896819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36632276.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 109896819 is about 10483.1683664816. The cubic root of 109896819 is about 478.9921256603.

The spelling of 109896819 in words is "one hundred nine million, eight hundred ninety-six thousand, eight hundred nineteen".