47304381 has 8 divisors (see below), whose sum is σ = 63118944. Its totient is φ = 31513040.

The previous prime is 47304377. The next prime is 47304391. The reversal of 47304381 is 18340374.

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

It is a cyclic number.

It is not a de Polignac number, because 47304381 - 2² = 47304377 is a prime.

It is a super-2 number, since 2×47304381² = 4475408923586322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47304311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (7889868).

Almost surely, 2^47304381 is an apocalyptic number.

It is an amenable number.

47304381 is a deficient number, since it is larger than the sum of its proper divisors (15814563).

47304381 is a wasteful number, since it uses less digits than its factorization.

47304381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47304381 is about 6877.8180406289. The cubic root of 47304381 is about 361.6599805749.

The spelling of 47304381 in words is "forty-seven million, three hundred four thousand, three hundred eighty-one".