47969856 has 168 divisors, whose sum is σ = 153582624. Its totient is φ = 14192640.

The previous prime is 47969837. The next prime is 47969861. The reversal of 47969856 is 65896974.

It is a super-2 number, since 2×47969856² = 4602214169321472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424456 + ... + 424568.

Almost surely, 2^47969856 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 47969856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76791312).

47969856 is an abundant number, since it is smaller than the sum of its proper divisors (105612768).

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

47969856 is a wasteful number, since it uses less digits than its factorization.

47969856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 47969856 is about 6926.0274328074. The cubic root of 47969856 is about 363.3480258533.

The spelling of 47969856 in words is "forty-seven million, nine hundred sixty-nine thousand, eight hundred fifty-six".