47897028 has 48 divisors (see below), whose sum is σ = 125435520. Its totient is φ = 15804000.

The previous prime is 47897023. The next prime is 47897033. The reversal of 47897028 is 82079874.

It is an interprime number because it is at equal distance from previous prime (47897023) and next prime (47897033).

It is not an unprimeable number, because it can be changed into a prime (47897023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8713 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (2613240).

Almost surely, 2^47897028 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 47897028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62717760).

47897028 is an abundant number, since it is smaller than the sum of its proper divisors (77538492).

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

47897028 is a wasteful number, since it uses less digits than its factorization.

47897028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4497 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 47897028 is about 6920.7678764715. The cubic root of 47897028 is about 363.1640539797.

The spelling of 47897028 in words is "forty-seven million, eight hundred ninety-seven thousand, twenty-eight".