3661436 has 12 divisors (see below), whose sum is σ = 6420960. Its totient is φ = 1826880.

The previous prime is 3661429. The next prime is 3661447. The reversal of 3661436 is 6341663.

It is a super-2 number, since 2×3661436² = 26812227164192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3661399 and 3661408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^3661436 is an apocalyptic number.

It is an amenable number.

3661436 is a deficient number, since it is larger than the sum of its proper divisors (2759524).

3661436 is a wasteful number, since it uses less digits than its factorization.

3661436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1922 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 3661436 is about 1913.4879147776. The cubic root of 3661436 is about 154.1288066109.

The spelling of 3661436 in words is "three million, six hundred sixty-one thousand, four hundred thirty-six".