105285399 has 8 divisors (see below), whose sum is σ = 145221360. Its totient is φ = 67769856.

The previous prime is 105285379. The next prime is 105285409. The reversal of 105285399 is 993582501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105285399 - 2⁸ = 105285143 is a prime.

It is a super-2 number, since 2×105285399² = 22170030485178402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105285399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105285319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605002 + ... + 605175.

It is an arithmetic number, because the mean of its divisors is an integer number (18152670).

Almost surely, 2^105285399 is an apocalyptic number.

105285399 is a deficient number, since it is larger than the sum of its proper divisors (39935961).

105285399 is a wasteful number, since it uses less digits than its factorization.

105285399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210209.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 105285399 is about 10260.8673609983. The cubic root of 105285399 is about 472.1964478994.

The spelling of 105285399 in words is "one hundred five million, two hundred eighty-five thousand, three hundred ninety-nine".