2739949 has 8 divisors (see below), whose sum is σ = 2864160. Its totient is φ = 2617776.

The previous prime is 2739931. The next prime is 2739973. The reversal of 2739949 is 9499372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2739949 - 2⁹ = 2739437 is a prime.

It is a Duffinian number.

2739949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739049) 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, 2662 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (358020).

2^2739949 is an apocalyptic number.

2739949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2739949 is a deficient number, since it is larger than the sum of its proper divisors (124211).

2739949 is a wasteful number, since it uses less digits than its factorization.

2739949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its digits is 122472, while the sum is 43.

The square root of 2739949 is about 1655.2791305396. The cubic root of 2739949 is about 139.9310715111.

The spelling of 2739949 in words is "two million, seven hundred thirty-nine thousand, nine hundred forty-nine".