4386646 has 32 divisors (see below), whose sum is σ = 7830432. Its totient is φ = 1820160.

The previous prime is 4386637. The next prime is 4386647. The reversal of 4386646 is 6466834.

It is a Harshad number since it is a multiple of its sum of digits (37).

Its product of digits (82944) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386647) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 13680 + ... + 13996.

It is an arithmetic number, because the mean of its divisors is an integer number (244701).

Almost surely, 2^4386646 is an apocalyptic number.

4386646 is a deficient number, since it is larger than the sum of its proper divisors (3443786).

4386646 is a wasteful number, since it uses less digits than its factorization.

4386646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 82944, while the sum is 37.

The square root of 4386646 is about 2094.4321426105. The cubic root of 4386646 is about 163.6983101230.

The spelling of 4386646 in words is "four million, three hundred eighty-six thousand, six hundred forty-six".