47897152 has 28 divisors (see below), whose sum is σ = 95268796. Its totient is φ = 23892480.

The previous prime is 47897149. The next prime is 47897153. The reversal of 47897152 is 25179874.

It can be written as a sum of positive squares in 2 ways, for example, as 39740416 + 8156736 = 6304^2 + 2856^2 .

It is a super-2 number, since 2×47897152² = 4588274339422208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47897099 and 47897108.

It is not an unprimeable number, because it can be changed into a prime (47897153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46402 + ... + 47422.

It is an arithmetic number, because the mean of its divisors is an integer number (3402457).

Almost surely, 2^47897152 is an apocalyptic number.

It is an amenable number.

47897152 is a deficient number, since it is larger than the sum of its proper divisors (47371644).

47897152 is a wasteful number, since it uses less digits than its factorization.

47897152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1756 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 47897152 is about 6920.7768350092. The cubic root of 47897152 is about 363.1643673764.

The spelling of 47897152 in words is "forty-seven million, eight hundred ninety-seven thousand, one hundred fifty-two".