2860387 has 4 divisors (see below), whose sum is σ = 2865456. Its totient is φ = 2855320.

The previous prime is 2860337. The next prime is 2860409. The reversal of 2860387 is 7830682.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7830682 = 2 ⋅3915341.

It is a cyclic number.

It is not a de Polignac number, because 2860387 - 2⁷ = 2860259 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (716364).

2^2860387 is an apocalyptic number.

2860387 is a deficient number, since it is larger than the sum of its proper divisors (5069).

2860387 is an equidigital number, since it uses as much as digits as its factorization.

2860387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2860387 is about 1691.2678676070. The cubic root of 2860387 is about 141.9520270401.

The spelling of 2860387 in words is "two million, eight hundred sixty thousand, three hundred eighty-seven".