84003929 has 2 divisors, whose sum is σ = 84003930. Its totient is φ = 84003928.

The previous prime is 84003917. The next prime is 84003943. The reversal of 84003929 is 92930048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 24482704 = 7715^2 + 4948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84003929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (84003989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42001964 + 42001965.

It is an arithmetic number, because the mean of its divisors is an integer number (42001965).

Almost surely, 2^84003929 is an apocalyptic number.

It is an amenable number.

84003929 is a deficient number, since it is larger than the sum of its proper divisors (1).

84003929 is an equidigital number, since it uses as much as digits as its factorization.

84003929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 84003929 is about 9165.3657319280. The cubic root of 84003929 is about 437.9587421088.

The spelling of 84003929 in words is "eighty-four million, three thousand, nine hundred twenty-nine".