2743391 has 8 divisors (see below), whose sum is σ = 3300480. Its totient is φ = 2227608.

The previous prime is 2743387. The next prime is 2743397. The reversal of 2743391 is 1933472.

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 2743391 - 2² = 2743387 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 (2743397) 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, 10181 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (412560).

2^2743391 is an apocalyptic number.

2743391 is a deficient number, since it is larger than the sum of its proper divisors (557089).

2743391 is a wasteful number, since it uses less digits than its factorization.

2743391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20653.

The product of its digits is 4536, while the sum is 29.

The square root of 2743391 is about 1656.3185080171. The cubic root of 2743391 is about 139.9896420908.

The spelling of 2743391 in words is "two million, seven hundred forty-three thousand, three hundred ninety-one".