3680432 has 40 divisors (see below), whose sum is σ = 8633376. Its totient is φ = 1483776.

The previous prime is 3680431. The next prime is 3680459. The reversal of 3680432 is 2340863.

3680432 is nontrivially palindromic in base 6.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3680431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938 + ... + 2870.

Almost surely, 2^3680432 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 3680432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4316688).

3680432 is an abundant number, since it is smaller than the sum of its proper divisors (4952944).

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

3680432 is a wasteful number, since it uses less digits than its factorization.

3680432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3680432 is about 1918.4452038044. The cubic root of 3680432 is about 154.3948936538.

The spelling of 3680432 in words is "three million, six hundred eighty thousand, four hundred thirty-two".