3649576 has 16 divisors (see below), whose sum is σ = 7820640. Its totient is φ = 1564080.

The previous prime is 3649567. The next prime is 3649579. The reversal of 3649576 is 6759463.

It is a d-powerful number, because it can be written as 3² + 6 + 4 + 9 + 5⁹ + 7⁵ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (3649579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32530 + ... + 32641.

It is an arithmetic number, because the mean of its divisors is an integer number (488790).

Almost surely, 2^3649576 is an apocalyptic number.

It is an amenable number.

3649576 is an abundant number, since it is smaller than the sum of its proper divisors (4171064).

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

3649576 is a wasteful number, since it uses less digits than its factorization.

3649576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65184 (or 65180 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 3649576 is about 1910.3863483599. The cubic root of 3649576 is about 153.9622103262.

It can be divided in two parts, 3649 and 576, that added together give a square (4225 = 65²).

The spelling of 3649576 in words is "three million, six hundred forty-nine thousand, five hundred seventy-six".