105280395 has 16 divisors (see below), whose sum is σ = 183762432. Its totient is φ = 51044960.

The previous prime is 105280391. The next prime is 105280447. The reversal of 105280395 is 593082501.

It is not a de Polignac number, because 105280395 - 2² = 105280391 is a prime.

It is a super-2 number, since 2×105280395² = 22167923142712050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (105280391) 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, 318867 + ... + 319196.

It is an arithmetic number, because the mean of its divisors is an integer number (11485152).

Almost surely, 2^105280395 is an apocalyptic number.

105280395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105280395 is a deficient number, since it is larger than the sum of its proper divisors (78482037).

105280395 is a wasteful number, since it uses less digits than its factorization.

105280395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638082.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 105280395 is about 10260.6235190655. The cubic root of 105280395 is about 472.1889669366.

The spelling of 105280395 in words is "one hundred five million, two hundred eighty thousand, three hundred ninety-five".