383401047 has 8 divisors (see below), whose sum is σ = 511401600. Its totient is φ = 255500600.

The previous prime is 383401013. The next prime is 383401079. The reversal of 383401047 is 740104383.

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 383401047 - 2²⁰ = 382352471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383401097) 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 7 ways as a sum of consecutive naturals, for example, 15579 + ... + 31772.

It is an arithmetic number, because the mean of its divisors is an integer number (63925200).

Almost surely, 2^383401047 is an apocalyptic number.

383401047 is a deficient number, since it is larger than the sum of its proper divisors (128000553).

383401047 is a wasteful number, since it uses less digits than its factorization.

383401047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50053.

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

The square root of 383401047 is about 19580.6293821215. The cubic root of 383401047 is about 726.4701342886.

The spelling of 383401047 in words is "three hundred eighty-three million, four hundred one thousand, forty-seven".