2785239 has 16 divisors (see below), whose sum is σ = 4224000. Its totient is φ = 1812888.

The previous prime is 2785219. The next prime is 2785241. The reversal of 2785239 is 9325872.

It is a happy number.

It is not a de Polignac number, because 2785239 - 2⁵ = 2785207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (264000).

2^2785239 is an apocalyptic number.

2785239 is a deficient number, since it is larger than the sum of its proper divisors (1438761).

2785239 is a wasteful number, since it uses less digits than its factorization.

2785239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2445 counting only the distinct ones).

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

The square root of 2785239 is about 1668.9035322630. The cubic root of 2785239 is about 140.6978591334.

The spelling of 2785239 in words is "two million, seven hundred eighty-five thousand, two hundred thirty-nine".