389126953 has 2 divisors, whose sum is σ = 389126954. Its totient is φ = 389126952.

The previous prime is 389126951. The next prime is 389126971. The reversal of 389126953 is 359621983.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239382784 + 149744169 = 15472^2 + 12237^2 .

It is a cyclic number.

It is not a de Polignac number, because 389126953 - 2¹ = 389126951 is a prime.

Together with 389126951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (389126951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194563476 + 194563477.

It is an arithmetic number, because the mean of its divisors is an integer number (194563477).

Almost surely, 2^389126953 is an apocalyptic number.

It is an amenable number.

389126953 is a deficient number, since it is larger than the sum of its proper divisors (1).

389126953 is an equidigital number, since it uses as much as digits as its factorization.

389126953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 389126953 is about 19726.3010470793. The cubic root of 389126953 is about 730.0687700272.

The spelling of 389126953 in words is "three hundred eighty-nine million, one hundred twenty-six thousand, nine hundred fifty-three".