384984731 has 2 divisors, whose sum is σ = 384984732. Its totient is φ = 384984730.

The previous prime is 384984697. The next prime is 384984767. The reversal of 384984731 is 137489483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384984731 - 2¹⁰ = 384983707 is a prime.

It is a super-2 number, since 2×384984731² = 296426486206284722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (384984931) 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 as a sum of consecutive naturals, namely, 192492365 + 192492366.

It is an arithmetic number, because the mean of its divisors is an integer number (192492366).

Almost surely, 2^384984731 is an apocalyptic number.

384984731 is a deficient number, since it is larger than the sum of its proper divisors (1).

384984731 is an equidigital number, since it uses as much as digits as its factorization.

384984731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 384984731 is about 19621.0277763424. The cubic root of 384984731 is about 727.4690175474.

The spelling of 384984731 in words is "three hundred eighty-four million, nine hundred eighty-four thousand, seven hundred thirty-one".