2064999 has 4 divisors (see below), whose sum is σ = 2753336. Its totient is φ = 1376664.

The previous prime is 2064983. The next prime is 2065031. The reversal of 2064999 is 9994602.

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

It is not a de Polignac number, because 2064999 - 2⁴ = 2064983 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064919) 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, 344164 + ... + 344169.

It is an arithmetic number, because the mean of its divisors is an integer number (688334).

2^2064999 is an apocalyptic number.

2064999 is a deficient number, since it is larger than the sum of its proper divisors (688337).

2064999 is an equidigital number, since it uses as much as digits as its factorization.

2064999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688336.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 2064999 is about 1437.0104383754. The cubic root of 2064999 is about 127.3424736608.

The spelling of 2064999 in words is "two million, sixty-four thousand, nine hundred ninety-nine".