2747997 has 24 divisors (see below), whose sum is σ = 4627584. Its totient is φ = 1538784.

The previous prime is 2747977. The next prime is 2748013. The reversal of 2747997 is 7997472.

It is a happy number.

It is not a de Polignac number, because 2747997 - 2⁷ = 2747869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2928 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (192816).

2^2747997 is an apocalyptic number.

It is an amenable number.

2747997 is a deficient number, since it is larger than the sum of its proper divisors (1879587).

2747997 is a wasteful number, since it uses less digits than its factorization.

2747997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 886 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 2747997 is about 1657.7083579448. The cubic root of 2747997 is about 140.0679432117.

The spelling of 2747997 in words is "two million, seven hundred forty-seven thousand, nine hundred ninety-seven".