2187079 has 4 divisors (see below), whose sum is σ = 2192400. Its totient is φ = 2181760.

The previous prime is 2187077. The next prime is 2187103. The reversal of 2187079 is 9707812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2187079 - 2¹ = 2187077 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 (2187077) 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, 1987 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (548100).

2^2187079 is an apocalyptic number.

2187079 is a deficient number, since it is larger than the sum of its proper divisors (5321).

2187079 is an equidigital number, since it uses as much as digits as its factorization.

2187079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2187079 is about 1478.8776149499. The cubic root of 2187079 is about 129.8040242405.

The spelling of 2187079 in words is "two million, one hundred eighty-seven thousand, seventy-nine".