2916945 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 1382400.

The previous prime is 2916943. The next prime is 2916971. The reversal of 2916945 is 5496192.

It is not a de Polignac number, because 2916945 - 2¹ = 2916943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2916941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71125 + ... + 71165.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2916945 is an apocalyptic number.

It is an amenable number.

2916945 is a deficient number, since it is larger than the sum of its proper divisors (2889135).

2916945 is a wasteful number, since it uses less digits than its factorization.

2916945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 97 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2916945 is about 1707.9066133721. The cubic root of 2916945 is about 142.8815260761.

The spelling of 2916945 in words is "two million, nine hundred sixteen thousand, nine hundred forty-five".