2739397 has 4 divisors (see below), whose sum is σ = 2900556. Its totient is φ = 2578240.

The previous prime is 2739389. The next prime is 2739403. The reversal of 2739397 is 7939372.

2739397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 1560001 = 1086^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2739397 - 2³ = 2739389 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 (2739337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80554 + ... + 80587.

It is an arithmetic number, because the mean of its divisors is an integer number (725139).

2^2739397 is an apocalyptic number.

It is an amenable number.

2739397 is a deficient number, since it is larger than the sum of its proper divisors (161159).

2739397 is a wasteful number, since it uses less digits than its factorization.

2739397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161158.

The product of its digits is 71442, while the sum is 40.

The square root of 2739397 is about 1655.1123828913. The cubic root of 2739397 is about 139.9216738739.

It can be divided in two parts, 2739 and 397, that added together give a square (3136 = 56²).

The spelling of 2739397 in words is "two million, seven hundred thirty-nine thousand, three hundred ninety-seven".