2930947 has 2 divisors, whose sum is σ = 2930948. Its totient is φ = 2930946.

The previous prime is 2930911. The next prime is 2930969. The reversal of 2930947 is 7490392.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2930947 - 2⁷ = 2930819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2930747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465473 + 1465474.

It is an arithmetic number, because the mean of its divisors is an integer number (1465474).

2^2930947 is an apocalyptic number.

2930947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2930947 is an equidigital number, since it uses as much as digits as its factorization.

2930947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2930947 is about 1712.0008761680. Note that the first 3 decimals coincide. The cubic root of 2930947 is about 143.1097825205.

It can be divided in two parts, 29 and 30947, that added together give a square (30976 = 176²).

The spelling of 2930947 in words is "two million, nine hundred thirty thousand, nine hundred forty-seven".