2029791 has 4 divisors (see below), whose sum is σ = 2706392. Its totient is φ = 1353192.

The previous prime is 2029759. The next prime is 2029793. The reversal of 2029791 is 1979202.

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

It is not a de Polignac number, because 2029791 - 2⁵ = 2029759 is a prime.

It is an Ulam number.

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 (2029793) 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, 338296 + ... + 338301.

It is an arithmetic number, because the mean of its divisors is an integer number (676598).

2^2029791 is an apocalyptic number.

2029791 is a deficient number, since it is larger than the sum of its proper divisors (676601).

2029791 is an equidigital number, since it uses as much as digits as its factorization.

2029791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676600.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2029791 is about 1424.7073383681. The cubic root of 2029791 is about 126.6145961723.

The spelling of 2029791 in words is "two million, twenty-nine thousand, seven hundred ninety-one".