105881438 has 16 divisors (see below), whose sum is σ = 171346560. Its totient is φ = 48780576.

The previous prime is 105881411. The next prime is 105881441. The reversal of 105881438 is 834188501.

It is a super-2 number, since 2×105881438² = 22421757825895688, 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 in 7 ways as a sum of consecutive naturals, for example, 12428 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (10709160).

Almost surely, 2^105881438 is an apocalyptic number.

105881438 is a deficient number, since it is larger than the sum of its proper divisors (65465122).

105881438 is a wasteful number, since it uses less digits than its factorization.

105881438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 105881438 is about 10289.8706503046. The cubic root of 105881438 is about 473.0858338212.

The spelling of 105881438 in words is "one hundred five million, eight hundred eighty-one thousand, four hundred thirty-eight".