2945636 has 6 divisors (see below), whose sum is σ = 5154870. Its totient is φ = 1472816.

The previous prime is 2945611. The next prime is 2945639. The reversal of 2945636 is 6365492.

2945636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 256036 = 1640^2 + 506^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2945596 and 2945605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368201 + ... + 368208.

It is an arithmetic number, because the mean of its divisors is an integer number (859145).

2^2945636 is an apocalyptic number.

It is an amenable number.

2945636 is a deficient number, since it is larger than the sum of its proper divisors (2209234).

2945636 is a wasteful number, since it uses less digits than its factorization.

2945636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736413 (or 736411 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 2945636 is about 1716.2855240315. The cubic root of 2945636 is about 143.3484582321.

It can be divided in two parts, 29456 and 36, that added together give a palindrome (29492).

The spelling of 2945636 in words is "two million, nine hundred forty-five thousand, six hundred thirty-six".