47871804 has 12 divisors (see below), whose sum is σ = 111700904. Its totient is φ = 15957264.

The previous prime is 47871793. The next prime is 47871823. The reversal of 47871804 is 40817874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994647 + ... + 1994670.

Almost surely, 2^47871804 is an apocalyptic number.

It is an amenable number.

47871804 is an abundant number, since it is smaller than the sum of its proper divisors (63829100).

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

47871804 is a wasteful number, since it uses less digits than its factorization.

47871804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989324 (or 3989322 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 47871804 is about 6918.9452953467. The cubic root of 47871804 is about 363.1002917868.

The spelling of 47871804 in words is "forty-seven million, eight hundred seventy-one thousand, eight hundred four".