47283636 has 12 divisors (see below), whose sum is σ = 110328512. Its totient is φ = 15761208.

The previous prime is 47283629. The next prime is 47283641. The reversal of 47283636 is 63638274.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47283594 and 47283603.

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, 1970140 + ... + 1970163.

Almost surely, 2^47283636 is an apocalyptic number.

It is an amenable number.

47283636 is an abundant number, since it is smaller than the sum of its proper divisors (63044876).

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

47283636 is a wasteful number, since it uses less digits than its factorization.

47283636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940310 (or 3940308 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 47283636 is about 6876.3097661464. The cubic root of 47283636 is about 361.6071050403.

The spelling of 47283636 in words is "forty-seven million, two hundred eighty-three thousand, six hundred thirty-six".