2947999 has 2 divisors, whose sum is σ = 2948000. Its totient is φ = 2947998.

The previous prime is 2947949. The next prime is 2948009. The reversal of 2947999 is 9997492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2947999 - 2⁹ = 2947487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473999 + 1474000.

It is an arithmetic number, because the mean of its divisors is an integer number (1474000).

2^2947999 is an apocalyptic number.

2947999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947999 is an equidigital number, since it uses as much as digits as its factorization.

2947999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The square root of 2947999 is about 1716.9737912968. The cubic root of 2947999 is about 143.3867795397.

The spelling of 2947999 in words is "two million, nine hundred forty-seven thousand, nine hundred ninety-nine".