2908947 has 12 divisors (see below), whose sum is σ = 4011720. Its totient is φ = 1874880.

The previous prime is 2908937. The next prime is 2908951. The reversal of 2908947 is 7498092.

It is not a de Polignac number, because 2908947 - 2⁴ = 2908931 is a prime.

2908947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2908937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2379 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (334310).

2^2908947 is an apocalyptic number.

2908947 is a deficient number, since it is larger than the sum of its proper divisors (1102773).

2908947 is a wasteful number, since it uses less digits than its factorization.

2908947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2908947 is about 1705.5635432314. The cubic root of 2908947 is about 142.7508171216.

The spelling of 2908947 in words is "two million, nine hundred eight thousand, nine hundred forty-seven".