2078899 has 4 divisors (see below), whose sum is σ = 2083536. Its totient is φ = 2074264.

The previous prime is 2078887. The next prime is 2078917. The reversal of 2078899 is 9988702.

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 2078899 - 2¹⁹ = 1554611 is a prime.

It is a Duffinian number.

2078899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2078399) 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 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (520884).

2^2078899 is an apocalyptic number.

2078899 is a deficient number, since it is larger than the sum of its proper divisors (4637).

2078899 is an equidigital number, since it uses as much as digits as its factorization.

2078899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2078899 is about 1441.8387565883. The cubic root of 2078899 is about 127.6275591263.

The spelling of 2078899 in words is "two million, seventy-eight thousand, eight hundred ninety-nine".