47859840 has 192 divisors, whose sum is σ = 189034560. Its totient is φ = 10930176.

The previous prime is 47859827. The next prime is 47859853. The reversal of 47859840 is 4895874.

It is an interprime number because it is at equal distance from previous prime (47859827) and next prime (47859853).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 39727 + ... + 40913.

It is an arithmetic number, because the mean of its divisors is an integer number (984555).

Almost surely, 2^47859840 is an apocalyptic number.

47859840 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 47859840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94517280).

47859840 is an abundant number, since it is smaller than the sum of its proper divisors (141174720).

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

47859840 is a wasteful number, since it uses less digits than its factorization.

47859840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 47859840 is about 6918.0806586798. The cubic root of 47859840 is about 363.0700408981.

The spelling of 47859840 in words is "forty-seven million, eight hundred fifty-nine thousand, eight hundred forty".