3893646 has 32 divisors (see below), whose sum is σ = 8398080. Its totient is φ = 1198976.

The previous prime is 3893633. The next prime is 3893657. The reversal of 3893646 is 6463983.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 5695 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

Almost surely, 2^3893646 is an apocalyptic number.

3893646 is an abundant number, since it is smaller than the sum of its proper divisors (4504434).

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

3893646 is a wasteful number, since it uses less digits than its factorization.

3893646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 93312, while the sum is 39.

The square root of 3893646 is about 1973.2323735435. The cubic root of 3893646 is about 157.3205615810.

The spelling of 3893646 in words is "three million, eight hundred ninety-three thousand, six hundred forty-six".