2029999 has 6 divisors (see below), whose sum is σ = 2060600. Its totient is φ = 1999800.

The previous prime is 2029997. The next prime is 2030009. The reversal of 2029999 is 9999202.

It is not a de Polignac number, because 2029999 - 2¹ = 2029997 is a prime.

It is a Duffinian number.

2029999 is a modest number, since divided by 9999 gives 202 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10102 + ... + 10300.

2^2029999 is an apocalyptic number.

2029999 is a deficient number, since it is larger than the sum of its proper divisors (30601).

2029999 is an equidigital number, since it uses as much as digits as its factorization.

2029999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 2029999 is about 1424.7803339463. The cubic root of 2029999 is about 126.6189209092.

It can be divided in two parts, 202 and 9999, that added together give a palindrome (10201).

The spelling of 2029999 in words is "two million, twenty-nine thousand, nine hundred ninety-nine".