2859997 has 8 divisors (see below), whose sum is σ = 3338496. Its totient is φ = 2398992.

The previous prime is 2859991. The next prime is 2860007. The reversal of 2859997 is 7999582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2859997 - 2⁷ = 2859869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2859997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (417312).

2^2859997 is an apocalyptic number.

It is an amenable number.

2859997 is a deficient number, since it is larger than the sum of its proper divisors (478499).

2859997 is an equidigital number, since it uses as much as digits as its factorization.

2859997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its digits is 408240, while the sum is 49.

The square root of 2859997 is about 1691.1525655599. The cubic root of 2859997 is about 141.9455752550.

It can be divided in two parts, 28 and 59997, that added together give a square (60025 = 245²).

The spelling of 2859997 in words is "two million, eight hundred fifty-nine thousand, nine hundred ninety-seven".