2860397 has 4 divisors (see below), whose sum is σ = 2864736. Its totient is φ = 2856060.

The previous prime is 2860337. The next prime is 2860409. The reversal of 2860397 is 7930682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7930682 = 2 ⋅3965341.

It is a cyclic number.

It is not a de Polignac number, because 2860397 - 2⁸ = 2860141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2860307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (716184).

2^2860397 is an apocalyptic number.

It is an amenable number.

2860397 is a deficient number, since it is larger than the sum of its proper divisors (4339).

2860397 is an equidigital number, since it uses as much as digits as its factorization.

2860397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2860397 is about 1691.2708239664. The cubic root of 2860397 is about 141.9521924628.

The spelling of 2860397 in words is "two million, eight hundred sixty thousand, three hundred ninety-seven".