2945955 has 16 divisors (see below), whose sum is σ = 4919040. Its totient is φ = 1502688.

The previous prime is 2945951. The next prime is 2945959. The reversal of 2945955 is 5595492.

It is an interprime number because it is at equal distance from previous prime (2945951) and next prime (2945959).

It is not a de Polignac number, because 2945955 - 2² = 2945951 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2945951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3925 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

2^2945955 is an apocalyptic number.

2945955 is a deficient number, since it is larger than the sum of its proper divisors (1973085).

2945955 is a wasteful number, since it uses less digits than its factorization.

2945955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570.

The product of its digits is 81000, while the sum is 39.

The square root of 2945955 is about 1716.3784547704. The cubic root of 2945955 is about 143.3536327238.

The spelling of 2945955 in words is "two million, nine hundred forty-five thousand, nine hundred fifty-five".