2839725 has 48 divisors (see below), whose sum is σ = 5971840. Its totient is φ = 1296000.

The previous prime is 2839699. The next prime is 2839747. The reversal of 2839725 is 5279382.

It is a happy number.

It is not a de Polignac number, because 2839725 - 2⁸ = 2839469 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2839725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4425 + ... + 5025.

2^2839725 is an apocalyptic number.

2839725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2839725 is an abundant number, since it is smaller than the sum of its proper divisors (3132115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2839725 is a wasteful number, since it uses less digits than its factorization.

2839725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 616 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2839725 is about 1685.1483614210. The cubic root of 2839725 is about 141.6094040006.

The spelling of 2839725 in words is "two million, eight hundred thirty-nine thousand, seven hundred twenty-five".