2939949 has 8 divisors (see below), whose sum is σ = 4355520. Its totient is φ = 1959948.

The previous prime is 2939941. The next prime is 2939957. The reversal of 2939949 is 9499392.

It is an interprime number because it is at equal distance from previous prime (2939941) and next prime (2939957).

It is not a de Polignac number, because 2939949 - 2³ = 2939941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54417 + ... + 54470.

It is an arithmetic number, because the mean of its divisors is an integer number (544440).

2^2939949 is an apocalyptic number.

It is an amenable number.

2939949 is a deficient number, since it is larger than the sum of its proper divisors (1415571).

2939949 is a wasteful number, since it uses less digits than its factorization.

2939949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108896 (or 108890 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 2939949 is about 1714.6279479817. The cubic root of 2939949 is about 143.2561467717.

The spelling of 2939949 in words is "two million, nine hundred thirty-nine thousand, nine hundred forty-nine".