2955645 has 48 divisors (see below), whose sum is σ = 6394752. Its totient is φ = 1226880.

The previous prime is 2955629. The next prime is 2955653. The reversal of 2955645 is 5465592.

2955645 is a `hidden beast` number, since 2 + 9 + 5 + 5 + 645 = 666.

It is not a de Polignac number, because 2955645 - 2⁴ = 2955629 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

2955645 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3039 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (133224).

2^2955645 is an apocalyptic number.

It is an amenable number.

2955645 is an abundant number, since it is smaller than the sum of its proper divisors (3439107).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2955645 is a wasteful number, since it uses less digits than its factorization.

2955645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 879 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2955645 is about 1719.1989413678. The cubic root of 2955645 is about 143.5106363040.

It can be divided in two parts, 2955 and 645, that added together give a square (3600 = 60²).

The spelling of 2955645 in words is "two million, nine hundred fifty-five thousand, six hundred forty-five".