47890800 has 180 divisors, whose sum is σ = 170004744. Its totient is φ = 12480000.

The previous prime is 47890793. The next prime is 47890837. The reversal of 47890800 is 809874.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190675 + ... + 190925.

Almost surely, 2^47890800 is an apocalyptic number.

47890800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47890800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85002372).

47890800 is an abundant number, since it is smaller than the sum of its proper divisors (122113944).

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

47890800 is a wasteful number, since it uses less digits than its factorization.

47890800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 47890800 is about 6920.3179117726. The cubic root of 47890800 is about 363.1483126845.

The spelling of 47890800 in words is "forty-seven million, eight hundred ninety thousand, eight hundred".