2945956 has 24 divisors (see below), whose sum is σ = 5600504. Its totient is φ = 1347840.

The previous prime is 2945951. The next prime is 2945959. The reversal of 2945956 is 6595492.

It can be written as a sum of positive squares in 4 ways, for example, as 665856 + 2280100 = 816^2 + 1510^2 .

It is a d-powerful number, because it can be written as 2²⁰ + 9³ + 4¹⁰ + 5⁸ + 9⁵ + 5⁸ + 6⁵ .

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256 + ... + 9568.

2^2945956 is an apocalyptic number.

2945956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2945956 is a deficient number, since it is larger than the sum of its proper divisors (2654548).

2945956 is a wasteful number, since it uses less digits than its factorization.

2945956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 2945956 is about 1716.3787460814. The cubic root of 2945956 is about 143.3536489442.

The spelling of 2945956 in words is "two million, nine hundred forty-five thousand, nine hundred fifty-six".