2078999 has 12 divisors (see below), whose sum is σ = 2368296. Its totient is φ = 1813968.

The previous prime is 2078977. The next prime is 2079013. The reversal of 2078999 is 9998702.

It is not a de Polignac number, because 2078999 - 2¹² = 2074903 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 (2078929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4472 + ... + 4914.

It is an arithmetic number, because the mean of its divisors is an integer number (197358).

2^2078999 is an apocalyptic number.

2078999 is a deficient number, since it is larger than the sum of its proper divisors (289297).

2078999 is a wasteful number, since it uses less digits than its factorization.

2078999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2078999 is about 1441.8734341127. The cubic root of 2078999 is about 127.6296054901.

The spelling of 2078999 in words is "two million, seventy-eight thousand, nine hundred ninety-nine".