47404 has 12 divisors (see below), whose sum is σ = 94864. Its totient is φ = 20304.

The previous prime is 47389. The next prime is 47407. The reversal of 47404 is 40474.

It is a happy number.

47404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

47404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (47407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819 + ... + 874.

2⁴⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

47404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47432).

47404 is a wasteful number, since it uses less digits than its factorization.

47404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 47404 is about 217.7245966812. The cubic root of 47404 is about 36.1913677615.

Adding to 47404 its reverse (40474), we get a palindrome (87878).

The spelling of 47404 in words is "forty-seven thousand, four hundred four", and thus it is an iban number.