47689446 has 24 divisors (see below), whose sum is σ = 110951640. Its totient is φ = 13625472.

The previous prime is 47689441. The next prime is 47689457. The reversal of 47689446 is 64498674.

It is a junction number, because it is equal to n+sod(n) for n = 47689395 and 47689404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47689441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80811 + ... + 81398.

It is an arithmetic number, because the mean of its divisors is an integer number (4622985).

Almost surely, 2^47689446 is an apocalyptic number.

47689446 is an abundant number, since it is smaller than the sum of its proper divisors (63262194).

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

47689446 is a wasteful number, since it uses less digits than its factorization.

47689446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162228 (or 162221 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 47689446 is about 6905.7545568895. The cubic root of 47689446 is about 362.6386526278.

The spelling of 47689446 in words is "forty-seven million, six hundred eighty-nine thousand, four hundred forty-six".