2079864 has 32 divisors (see below), whose sum is σ = 5778000. Its totient is φ = 693216.

The previous prime is 2079863. The next prime is 2079877. The reversal of 2079864 is 4689702.

2079864 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4599 + ... + 5030.

2^2079864 is an apocalyptic number.

2079864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2079864 is an abundant number, since it is smaller than the sum of its proper divisors (3698136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2079864 is a wasteful number, since it uses less digits than its factorization.

2079864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2079864 is about 1442.1733598982. The cubic root of 2079864 is about 127.6473037993.

The spelling of 2079864 in words is "two million, seventy-nine thousand, eight hundred sixty-four".