47256636 has 24 divisors (see below), whose sum is σ = 126017920. Its totient is φ = 13501872.

The previous prime is 47256619. The next prime is 47256637. The reversal of 47256636 is 63665274.

It is a junction number, because it is equal to n+sod(n) for n = 47256594 and 47256603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47256637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281206 + ... + 281373.

Almost surely, 2^47256636 is an apocalyptic number.

It is an amenable number.

47256636 is an abundant number, since it is smaller than the sum of its proper divisors (78761284).

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

47256636 is a wasteful number, since it uses less digits than its factorization.

47256636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562593 (or 562591 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 47256636 is about 6874.3462234601. The cubic root of 47256636 is about 361.5382633886.

The spelling of 47256636 in words is "forty-seven million, two hundred fifty-six thousand, six hundred thirty-six".