2013949 has 12 divisors (see below), whose sum is σ = 2445984. Its totient is φ = 1650264.

The previous prime is 2013941. The next prime is 2013967. The reversal of 2013949 is 9493102.

It is a happy number.

It is not a de Polignac number, because 2013949 - 2³ = 2013941 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 (2013941) 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, 234 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (203832).

2^2013949 is an apocalyptic number.

It is an amenable number.

2013949 is a deficient number, since it is larger than the sum of its proper divisors (432035).

2013949 is a wasteful number, since it uses less digits than its factorization.

2013949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2013949 is about 1419.1367094117. The cubic root of 2013949 is about 126.2843372928.

The spelling of 2013949 in words is "two million, thirteen thousand, nine hundred forty-nine".