47381394 has 8 divisors (see below), whose sum is σ = 94762800. Its totient is φ = 15793796.

The previous prime is 47381371. The next prime is 47381401. The reversal of 47381394 is 49318374.

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

47381394 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948444 + ... + 3948455.

It is an arithmetic number, because the mean of its divisors is an integer number (11845350).

Almost surely, 2^47381394 is an apocalyptic number.

47381394 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.

47381394 is a wasteful number, since it uses less digits than its factorization.

47381394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896904.

The product of its digits is 72576, while the sum is 39.

The square root of 47381394 is about 6883.4144143731. The cubic root of 47381394 is about 361.8561387194.

The spelling of 47381394 in words is "forty-seven million, three hundred eighty-one thousand, three hundred ninety-four".