384906953 has 2 divisors, whose sum is σ = 384906954. Its totient is φ = 384906952.

The previous prime is 384906947. The next prime is 384906971. The reversal of 384906953 is 359609483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289102009 + 95804944 = 17003^2 + 9788^2 .

It is a cyclic number.

It is not a de Polignac number, because 384906953 - 2¹⁰ = 384905929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384906898 and 384906907.

It is not a weakly prime, because it can be changed into another prime (384906653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192453476 + 192453477.

It is an arithmetic number, because the mean of its divisors is an integer number (192453477).

Almost surely, 2^384906953 is an apocalyptic number.

It is an amenable number.

384906953 is a deficient number, since it is larger than the sum of its proper divisors (1).

384906953 is an equidigital number, since it uses as much as digits as its factorization.

384906953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 384906953 is about 19619.0456699606. The cubic root of 384906953 is about 727.4200243524.

The spelling of 384906953 in words is "three hundred eighty-four million, nine hundred six thousand, nine hundred fifty-three".