105812398 has 4 divisors (see below), whose sum is σ = 158718600. Its totient is φ = 52906198.

The previous prime is 105812383. The next prime is 105812401. The reversal of 105812398 is 893218501.

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

It is a super-2 number, since 2×105812398² = 22392527141020808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26453098 + ... + 26453101.

It is an arithmetic number, because the mean of its divisors is an integer number (39679650).

Almost surely, 2^105812398 is an apocalyptic number.

105812398 is a deficient number, since it is larger than the sum of its proper divisors (52906202).

105812398 is an equidigital number, since it uses as much as digits as its factorization.

105812398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52906201.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 105812398 is about 10286.5153477745. The cubic root of 105812398 is about 472.9829862456.

It can be divided in two parts, 1058 and 12398, that added together give a square (13456 = 116²).

The spelling of 105812398 in words is "one hundred five million, eight hundred twelve thousand, three hundred ninety-eight".