384893137 has 2 divisors, whose sum is σ = 384893138. Its totient is φ = 384893136.

The previous prime is 384893087. The next prime is 384893177. The reversal of 384893137 is 731398483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197093521 + 187799616 = 14039^2 + 13704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384893137 is a prime.

It is not a weakly prime, because it can be changed into another prime (384893177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192446568 + 192446569.

It is an arithmetic number, because the mean of its divisors is an integer number (192446569).

Almost surely, 2^384893137 is an apocalyptic number.

It is an amenable number.

384893137 is a deficient number, since it is larger than the sum of its proper divisors (1).

384893137 is an equidigital number, since it uses as much as digits as its factorization.

384893137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 384893137 is about 19618.6935599698. The cubic root of 384893137 is about 727.4113208158.

The spelling of 384893137 in words is "three hundred eighty-four million, eight hundred ninety-three thousand, one hundred thirty-seven".