3661432 has 8 divisors (see below), whose sum is σ = 6865200. Its totient is φ = 1830712.

The previous prime is 3661429. The next prime is 3661447. The reversal of 3661432 is 2341663.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3661397 and 3661406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228832 + ... + 228847.

It is an arithmetic number, because the mean of its divisors is an integer number (858150).

Almost surely, 2^3661432 is an apocalyptic number.

It is an amenable number.

3661432 is a deficient number, since it is larger than the sum of its proper divisors (3203768).

3661432 is a wasteful number, since it uses less digits than its factorization.

3661432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457685 (or 457681 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 3661432 is about 1913.4868695656. The cubic root of 3661432 is about 154.1287504840.

The spelling of 3661432 in words is "three million, six hundred sixty-one thousand, four hundred thirty-two".