2739808 has 12 divisors (see below), whose sum is σ = 5394060. Its totient is φ = 1369888.

The previous prime is 2739787. The next prime is 2739809. The reversal of 2739808 is 8089372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42778 + ... + 42841.

It is an arithmetic number, because the mean of its divisors is an integer number (449505).

2^2739808 is an apocalyptic number.

It is an amenable number.

2739808 is a deficient number, since it is larger than the sum of its proper divisors (2654252).

2739808 is an equidigital number, since it uses as much as digits as its factorization.

2739808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85629 (or 85621 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2739808 is about 1655.2365389877. The cubic root of 2739808 is about 139.9286711477.

The spelling of 2739808 in words is "two million, seven hundred thirty-nine thousand, eight hundred eight".