2738947 has 2 divisors, whose sum is σ = 2738948. Its totient is φ = 2738946.

The previous prime is 2738941. The next prime is 2739013. The reversal of 2738947 is 7498372.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2738941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369473 + 1369474.

It is an arithmetic number, because the mean of its divisors is an integer number (1369474).

2^2738947 is an apocalyptic number.

2738947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738947 is an equidigital number, since it uses as much as digits as its factorization.

2738947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 2738947 is about 1654.9764348775. The cubic root of 2738947 is about 139.9140118226.

The spelling of 2738947 in words is "two million, seven hundred thirty-eight thousand, nine hundred forty-seven".