2748931 has 2 divisors, whose sum is σ = 2748932. Its totient is φ = 2748930.

The previous prime is 2748923. The next prime is 2748953. The reversal of 2748931 is 1398472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2748931 - 2³ = 2748923 is a prime.

It is a super-2 number, since 2×2748931² = 15113243285522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2748971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374465 + 1374466.

It is an arithmetic number, because the mean of its divisors is an integer number (1374466).

2^2748931 is an apocalyptic number.

2748931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748931 is an equidigital number, since it uses as much as digits as its factorization.

2748931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 2748931 is about 1657.9900482210. The cubic root of 2748931 is about 140.0838103615.

The spelling of 2748931 in words is "two million, seven hundred forty-eight thousand, nine hundred thirty-one".