2029779 has 12 divisors (see below), whose sum is σ = 3040856. Its totient is φ = 1353024.

The previous prime is 2029759. The next prime is 2029793. The reversal of 2029779 is 9779202.

It is not a de Polignac number, because 2029779 - 2¹¹ = 2027731 is a prime.

It is a Duffinian number.

2029779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2029759) 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, 3934 + ... + 4419.

2^2029779 is an apocalyptic number.

2029779 is a deficient number, since it is larger than the sum of its proper divisors (1011077).

2029779 is an frugal number, since it uses more digits than its factorization.

2029779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368 (or 8356 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2029779 is about 1424.7031269707. The cubic root of 2029779 is about 126.6143466592.

The spelling of 2029779 in words is "two million, twenty-nine thousand, seven hundred seventy-nine".