296238421 has 2 divisors, whose sum is σ = 296238422. Its totient is φ = 296238420.

The previous prime is 296238361. The next prime is 296238431. The reversal of 296238421 is 124832692.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204347025 + 91891396 = 14295^2 + 9586^2 .

It is a cyclic number.

It is not a de Polignac number, because 296238421 - 2¹³ = 296230229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (296238431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148119210 + 148119211.

It is an arithmetic number, because the mean of its divisors is an integer number (148119211).

Almost surely, 2^296238421 is an apocalyptic number.

It is an amenable number.

296238421 is a deficient number, since it is larger than the sum of its proper divisors (1).

296238421 is an equidigital number, since it uses as much as digits as its factorization.

296238421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 296238421 is about 17211.5781089359. The cubic root of 296238421 is about 666.6232573680.

The spelling of 296238421 in words is "two hundred ninety-six million, two hundred thirty-eight thousand, four hundred twenty-one".