2803975 has 12 divisors (see below), whose sum is σ = 3537720. Its totient is φ = 2204000.

The previous prime is 2803967. The next prime is 2803991. The reversal of 2803975 is 5793082.

It is not a de Polignac number, because 2803975 - 2³ = 2803967 is a prime.

2803975 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2803975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (294810).

2^2803975 is an apocalyptic number.

2803975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2803975 is a deficient number, since it is larger than the sum of its proper divisors (733745).

2803975 is a wasteful number, since it uses less digits than its factorization.

2803975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2803975 is about 1674.5073902494. The cubic root of 2803975 is about 141.0126407526.

The spelling of 2803975 in words is "two million, eight hundred three thousand, nine hundred seventy-five".