5661236 has 12 divisors (see below), whose sum is σ = 11322528. Its totient is φ = 2426232.

The previous prime is 5661217. The next prime is 5661247. The reversal of 5661236 is 6321665.

5661236 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5661199 and 5661208.

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, 101066 + ... + 101121.

It is an arithmetic number, because the mean of its divisors is an integer number (943544).

Almost surely, 2^5661236 is an apocalyptic number.

It is an amenable number.

5661236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5661236 is a wasteful number, since it uses less digits than its factorization.

5661236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202198 (or 202196 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 5661236 is about 2379.3352012695. The cubic root of 5661236 is about 178.2257372522.

The spelling of 5661236 in words is "five million, six hundred sixty-one thousand, two hundred thirty-six".