2739605 has 8 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 1992400.

The previous prime is 2739587. The next prime is 2739613. The reversal of 2739605 is 5069372.

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

It is not a de Polignac number, because 2739605 - 2¹⁴ = 2723221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24851 + ... + 24960.

It is an arithmetic number, because the mean of its divisors is an integer number (448308).

2^2739605 is an apocalyptic number.

It is an amenable number.

2739605 is a deficient number, since it is larger than the sum of its proper divisors (846859).

2739605 is a wasteful number, since it uses less digits than its factorization.

2739605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49827.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2739605 is about 1655.1752173108. The cubic root of 2739605 is about 139.9252151608.

The spelling of 2739605 in words is "two million, seven hundred thirty-nine thousand, six hundred five".