105897290 has 32 divisors (see below), whose sum is σ = 199673856. Its totient is φ = 40360320.

The previous prime is 105897277. The next prime is 105897329. The reversal of 105897290 is 92798501.

It is a super-2 number, since 2×105897290² = 22428472058688200, which contains 22 as substring.

It is a Curzon 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, 71255 + ... + 72725.

It is an arithmetic number, because the mean of its divisors is an integer number (6239808).

Almost surely, 2^105897290 is an apocalyptic number.

105897290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105897290 is a deficient number, since it is larger than the sum of its proper divisors (93776566).

105897290 is a wasteful number, since it uses less digits than its factorization.

105897290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 105897290 is about 10290.6408935498. The cubic root of 105897290 is about 473.1094419328.

The spelling of 105897290 in words is "one hundred five million, eight hundred ninety-seven thousand, two hundred ninety".