105891284 has 24 divisors (see below), whose sum is σ = 192044160. Its totient is φ = 51053184.

The previous prime is 105891271. The next prime is 105891301. The reversal of 105891284 is 482198501.

It is a super-2 number, since 2×105891284² = 22425928054337312, 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, 9692 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (8001840).

Almost surely, 2^105891284 is an apocalyptic number.

It is an amenable number.

105891284 is a deficient number, since it is larger than the sum of its proper divisors (86152876).

105891284 is a wasteful number, since it uses less digits than its factorization.

105891284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919 (or 7917 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 105891284 is about 10290.3490708527. The cubic root of 105891284 is about 473.1004975773.

The spelling of 105891284 in words is "one hundred five million, eight hundred ninety-one thousand, two hundred eighty-four".