2859493 has 18 divisors (see below), whose sum is σ = 3636486. Its totient is φ = 2228688.

The previous prime is 2859491. The next prime is 2859499. The reversal of 2859493 is 3949582.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 879844 = 1407^2 + 938^2 .

It is not a de Polignac number, because 2859493 - 2¹ = 2859491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859491) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42646 + ... + 42712.

It is an arithmetic number, because the mean of its divisors is an integer number (202027).

2^2859493 is an apocalyptic number.

It is an amenable number.

2859493 is a deficient number, since it is larger than the sum of its proper divisors (776993).

2859493 is an equidigital number, since it uses as much as digits as its factorization.

2859493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 87 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 2859493 is about 1691.0035481926. The cubic root of 2859493 is about 141.9372366947.

The spelling of 2859493 in words is "two million, eight hundred fifty-nine thousand, four hundred ninety-three".