47898420 has 96 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 11996160.

The previous prime is 47898419. The next prime is 47898421. The reversal of 47898420 is 2489874.

It is an interprime number because it is at equal distance from previous prime (47898419) and next prime (47898421).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47898421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83896 + ... + 84464.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280).

Almost surely, 2^47898420 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 47898420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).

47898420 is an abundant number, since it is smaller than the sum of its proper divisors (94592460).

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

47898420 is a wasteful number, since it uses less digits than its factorization.

47898420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 47898420 is about 6920.8684426161. The cubic root of 47898420 is about 363.1675720788.

The spelling of 47898420 in words is "forty-seven million, eight hundred ninety-eight thousand, four hundred twenty".