296943421 has 2 divisors, whose sum is σ = 296943422. Its totient is φ = 296943420.

The previous prime is 296943391. The next prime is 296943433. The reversal of 296943421 is 124349692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294808900 + 2134521 = 17170^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 296943421 - 2⁷ = 296943293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (296953421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148471710 + 148471711.

It is an arithmetic number, because the mean of its divisors is an integer number (148471711).

Almost surely, 2^296943421 is an apocalyptic number.

It is an amenable number.

296943421 is a deficient number, since it is larger than the sum of its proper divisors (1).

296943421 is an equidigital number, since it uses as much as digits as its factorization.

296943421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 296943421 is about 17232.0463381457. The cubic root of 296943421 is about 667.1516572850.

The spelling of 296943421 in words is "two hundred ninety-six million, nine hundred forty-three thousand, four hundred twenty-one".