105890446 has 4 divisors (see below), whose sum is σ = 158835672. Its totient is φ = 52945222.

The previous prime is 105890443. The next prime is 105890461. The reversal of 105890446 is 644098501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644098501 = 31 ⋅20777371.

It is a super-2 number, since 2×105890446² = 22425573108157832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105890443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26472610 + ... + 26472613.

It is an arithmetic number, because the mean of its divisors is an integer number (39708918).

Almost surely, 2^105890446 is an apocalyptic number.

105890446 is a deficient number, since it is larger than the sum of its proper divisors (52945226).

105890446 is an equidigital number, since it uses as much as digits as its factorization.

105890446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52945225.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 105890446 is about 10290.3083530087. The cubic root of 105890446 is about 473.0992495701.

The spelling of 105890446 in words is "one hundred five million, eight hundred ninety thousand, four hundred forty-six".