47646386 has 8 divisors (see below), whose sum is σ = 74577024. Its totient is φ = 22787380.

The previous prime is 47646383. The next prime is 47646397. The reversal of 47646386 is 68364674.

It is a happy number.

47646386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47646383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517850 + ... + 517941.

It is an arithmetic number, because the mean of its divisors is an integer number (9322128).

Almost surely, 2^47646386 is an apocalyptic number.

47646386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47646386 is a deficient number, since it is larger than the sum of its proper divisors (26930638).

47646386 is a wasteful number, since it uses less digits than its factorization.

47646386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035816.

The product of its digits is 580608, while the sum is 44.

The square root of 47646386 is about 6902.6361630902. The cubic root of 47646386 is about 362.5294745752.

The spelling of 47646386 in words is "forty-seven million, six hundred forty-six thousand, three hundred eighty-six".