2799975 has 24 divisors (see below), whose sum is σ = 4759120. Its totient is φ = 1451520.

The previous prime is 2799967. The next prime is 2799977. The reversal of 2799975 is 5799972.

It is not a de Polignac number, because 2799975 - 2³ = 2799967 is a prime.

2799975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799977) 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 23 ways as a sum of consecutive naturals, for example, 2271 + ... + 3279.

2^2799975 is an apocalyptic number.

2799975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2799975 is a deficient number, since it is larger than the sum of its proper divisors (1959145).

2799975 is a wasteful number, since it uses less digits than its factorization.

2799975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1054 counting only the distinct ones).

The product of its digits is 357210, while the sum is 48.

The square root of 2799975 is about 1673.3125828727. The cubic root of 2799975 is about 140.9455551580.

The spelling of 2799975 in words is "two million, seven hundred ninety-nine thousand, nine hundred seventy-five".