47239536 has 80 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 14926080.

The previous prime is 47239531. The next prime is 47239561. The reversal of 47239536 is 63593274.

It is a super-2 number, since 2×47239536² = 4463147522990592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47239494 and 47239503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47239531) 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 15 ways as a sum of consecutive naturals, for example, 78565 + ... + 79163.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^47239536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47239536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

47239536 is an abundant number, since it is smaller than the sum of its proper divisors (81323664).

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

47239536 is a wasteful number, since it uses less digits than its factorization.

47239536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 688 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 47239536 is about 6873.1023562872. The cubic root of 47239536 is about 361.4946501124.

The spelling of 47239536 in words is "forty-seven million, two hundred thirty-nine thousand, five hundred thirty-six".