383954047 has 2 divisors, whose sum is σ = 383954048. Its totient is φ = 383954046.

The previous prime is 383953991. The next prime is 383954059. The reversal of 383954047 is 740459383.

It is a strong prime.

It is an emirp because it is prime and its reverse (740459383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 383954047 - 2¹⁹ = 383429759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 383953994 and 383954012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383954447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191977023 + 191977024.

It is an arithmetic number, because the mean of its divisors is an integer number (191977024).

Almost surely, 2^383954047 is an apocalyptic number.

383954047 is a deficient number, since it is larger than the sum of its proper divisors (1).

383954047 is an equidigital number, since it uses as much as digits as its factorization.

383954047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 383954047 is about 19594.7453925791. The cubic root of 383954047 is about 726.8192421767.

The spelling of 383954047 in words is "three hundred eighty-three million, nine hundred fifty-four thousand, forty-seven".