105280998 has 32 divisors (see below), whose sum is σ = 215343360. Its totient is φ = 34304160.

The previous prime is 105280997. The next prime is 105280999. The reversal of 105280998 is 899082501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105280997) and next prime (105280999).

It is a super-2 number, since 2×105280998² = 22168177079752008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105280997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64711 + ... + 66317.

It is an arithmetic number, because the mean of its divisors is an integer number (6729480).

Almost surely, 2^105280998 is an apocalyptic number.

105280998 is an abundant number, since it is smaller than the sum of its proper divisors (110062362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105280998 is a wasteful number, since it uses less digits than its factorization.

105280998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 105280998 is about 10260.6529032026. The cubic root of 105280998 is about 472.1898684321.

The spelling of 105280998 in words is "one hundred five million, two hundred eighty thousand, nine hundred ninety-eight".