47821104 has 50 divisors (see below), whose sum is σ = 138411900. Its totient is φ = 15939936.

The previous prime is 47821091. The next prime is 47821139. The reversal of 47821104 is 40112874.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17154 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (2768238).

Almost surely, 2^47821104 is an apocalyptic number.

It is an amenable number.

47821104 is an abundant number, since it is smaller than the sum of its proper divisors (90590796).

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

47821104 is a wasteful number, since it uses less digits than its factorization.

47821104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36919 (or 36904 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 47821104 is about 6915.2804715355. The cubic root of 47821104 is about 362.9720625996.

Adding to 47821104 its reverse (40112874), we get a palindrome (87933978).

It can be divided in two parts, 4782 and 1104, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 47821104 in words is "forty-seven million, eight hundred twenty-one thousand, one hundred four".