2029949 has 4 divisors (see below), whose sum is σ = 2032800. Its totient is φ = 2027100.

The previous prime is 2029939. The next prime is 2029967. The reversal of 2029949 is 9499202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2029949 - 2²⁰ = 981373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029939) 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, 674 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (508200).

2^2029949 is an apocalyptic number.

It is an amenable number.

2029949 is a deficient number, since it is larger than the sum of its proper divisors (2851).

2029949 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (2029948) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2850).

2029949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2029949 is about 1424.7627872737. The cubic root of 2029949 is about 126.6178813360.

The spelling of 2029949 in words is "two million, twenty-nine thousand, nine hundred forty-nine".