3943632 has 120 divisors (see below), whose sum is σ = 12929728. Its totient is φ = 1013760.

The previous prime is 3943631. The next prime is 3943633. The reversal of 3943632 is 2363493.

It is an interprime number because it is at equal distance from previous prime (3943631) and next prime (3943633).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3943632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40608 + ... + 40704.

Almost surely, 2^3943632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3943632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6464864).

3943632 is an abundant number, since it is smaller than the sum of its proper divisors (8986096).

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

3943632 is a wasteful number, since it uses less digits than its factorization.

3943632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 120 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

The square root of 3943632 is about 1985.8580009658. The cubic root of 3943632 is about 157.9909197367.

The spelling of 3943632 in words is "three million, nine hundred forty-three thousand, six hundred thirty-two".