3102644 has 6 divisors (see below), whose sum is σ = 5429634. Its totient is φ = 1551320.

The previous prime is 3102637. The next prime is 3102661. The reversal of 3102644 is 4462013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 504100 = 1612^2 + 710^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387827 + ... + 387834.

It is an arithmetic number, because the mean of its divisors is an integer number (904939).

Almost surely, 2^3102644 is an apocalyptic number.

It is an amenable number.

3102644 is a deficient number, since it is larger than the sum of its proper divisors (2326990).

3102644 is a wasteful number, since it uses less digits than its factorization.

3102644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775665 (or 775663 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3102644 is about 1761.4323716794. The cubic root of 3102644 is about 145.8514157351.

Adding to 3102644 its reverse (4462013), we get a palindrome (7564657).

The spelling of 3102644 in words is "three million, one hundred two thousand, six hundred forty-four".