3644542 has 16 divisors (see below), whose sum is σ = 6278400. Its totient is φ = 1569240.

The previous prime is 3644513. The next prime is 3644569. The reversal of 3644542 is 2454463.

It is a self number, because there is not a number n which added to its sum of digits gives 3644542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (392400).

Almost surely, 2^3644542 is an apocalyptic number.

3644542 is a deficient number, since it is larger than the sum of its proper divisors (2633858).

3644542 is a wasteful number, since it uses less digits than its factorization.

3644542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751.

The product of its digits is 11520, while the sum is 28.

The square root of 3644542 is about 1909.0683591742. The cubic root of 3644542 is about 153.8913890957.

It can be divided in two parts, 3644 and 542, that added together give a triangular number (4186 = T₉₁).

The spelling of 3644542 in words is "three million, six hundred forty-four thousand, five hundred forty-two".