47840366 has 24 divisors (see below), whose sum is σ = 87873480. Its totient is φ = 19423152.

The previous prime is 47840357. The next prime is 47840389. The reversal of 47840366 is 66304874.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

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, 10985 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (3661395).

Almost surely, 2^47840366 is an apocalyptic number.

47840366 is a deficient number, since it is larger than the sum of its proper divisors (40033114).

47840366 is a wasteful number, since it uses less digits than its factorization.

47840366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25728 (or 25721 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 47840366 is about 6916.6730441738. The cubic root of 47840366 is about 363.0207902448.

The spelling of 47840366 in words is "forty-seven million, eight hundred forty thousand, three hundred sixty-six".