47009404 has 12 divisors (see below), whose sum is σ = 88594744. Its totient is φ = 21696624.

The previous prime is 47009399. The next prime is 47009407. The reversal of 47009404 is 40490074.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47009407) 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, 451962 + ... + 452065.

Almost surely, 2^47009404 is an apocalyptic number.

It is an amenable number.

47009404 is a deficient number, since it is larger than the sum of its proper divisors (41585340).

47009404 is a wasteful number, since it uses less digits than its factorization.

47009404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904044 (or 904042 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47009404 is about 6856.3404232870. The cubic root of 47009404 is about 360.9066754871.

Adding to 47009404 its reverse (40490074), we get a palindrome (87499478).

The spelling of 47009404 in words is "forty-seven million, nine thousand, four hundred four".