2748919 has 2 divisors, whose sum is σ = 2748920. Its totient is φ = 2748918.

The previous prime is 2748859. The next prime is 2748923. The reversal of 2748919 is 9198472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2748919 - 2²¹ = 651767 is a prime.

It is a super-2 number, since 2×2748919² = 15113111337122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374459 + 1374460.

It is an arithmetic number, because the mean of its divisors is an integer number (1374460).

2^2748919 is an apocalyptic number.

2748919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748919 is an equidigital number, since it uses as much as digits as its factorization.

2748919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 2748919 is about 1657.9864293775. The cubic root of 2748919 is about 140.0836065237.

The spelling of 2748919 in words is "two million, seven hundred forty-eight thousand, nine hundred nineteen".