2857975 has 6 divisors (see below), whose sum is σ = 3543920. Its totient is φ = 2286360.

The previous prime is 2857973. The next prime is 2857993. The reversal of 2857975 is 5797582.

It is not a de Polignac number, because 2857975 - 2¹ = 2857973 is a prime.

It is a super-2 number, since 2×2857975² = 16336042201250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57135 + ... + 57184.

2^2857975 is an apocalyptic number.

2857975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2857975 is a deficient number, since it is larger than the sum of its proper divisors (685945).

2857975 is a wasteful number, since it uses less digits than its factorization.

2857975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114329 (or 114324 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 2857975 is about 1690.5546427134. The cubic root of 2857975 is about 141.9121158238.

The spelling of 2857975 in words is "two million, eight hundred fifty-seven thousand, nine hundred seventy-five".