3640546 has 32 divisors (see below), whose sum is σ = 6830208. Its totient is φ = 1416960.

The previous prime is 3640543. The next prime is 3640561. The reversal of 3640546 is 6450463.

3640546 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁸ + 6³ + 4 + 0 + 5⁹ + 4⁵ + 6⁸ .

3640546 is a modest number, since divided by 546 gives 364 as remainder.

3640546 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3640543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14986 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

Almost surely, 2^3640546 is an apocalyptic number.

3640546 is a deficient number, since it is larger than the sum of its proper divisors (3189662).

3640546 is a wasteful number, since it uses less digits than its factorization.

3640546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3640546 is about 1908.0214883486. The cubic root of 3640546 is about 153.8351246068.

It can be divided in two parts, 3640 and 546, that added together give a triangular number (4186 = T₉₁).

The spelling of 3640546 in words is "three million, six hundred forty thousand, five hundred forty-six".