10109858 has 16 divisors (see below), whose sum is σ = 16654464. Its totient is φ = 4564560.

The previous prime is 10109851. The next prime is 10109861. The reversal of 10109858 is 85890101.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10109851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 4917.

It is an arithmetic number, because the mean of its divisors is an integer number (1040904).

Almost surely, 2^10109858 is an apocalyptic number.

10109858 is a deficient number, since it is larger than the sum of its proper divisors (6544606).

10109858 is a wasteful number, since it uses less digits than its factorization.

10109858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 10109858 is about 3179.6002893446. The cubic root of 10109858 is about 216.2295370839.

Adding to 10109858 its reverse (85890101), we get a palindrome (95999959).

The spelling of 10109858 in words is "ten million, one hundred nine thousand, eight hundred fifty-eight".