3648356 has 6 divisors (see below), whose sum is σ = 6384630. Its totient is φ = 1824176.

The previous prime is 3648343. The next prime is 3648391. The reversal of 3648356 is 6538463.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 256 = 1910^2 + 16^2 .

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 as a sum of consecutive naturals, namely, 456041 + ... + 456048.

It is an arithmetic number, because the mean of its divisors is an integer number (1064105).

Almost surely, 2^3648356 is an apocalyptic number.

It is an amenable number.

3648356 is a deficient number, since it is larger than the sum of its proper divisors (2736274).

3648356 is a wasteful number, since it uses less digits than its factorization.

3648356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912093 (or 912091 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3648356 is about 1910.0670145312. The cubic root of 3648356 is about 153.9450526408.

It can be divided in two parts, 3648 and 356, that added together give a palindrome (4004).

The spelling of 3648356 in words is "three million, six hundred forty-eight thousand, three hundred fifty-six".