296406491 has 2 divisors, whose sum is σ = 296406492. Its totient is φ = 296406490.

The previous prime is 296406457. The next prime is 296406547. The reversal of 296406491 is 194604692.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-296406491 is a prime.

It is a super-3 number, since 3×296406491³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (296406091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148203245 + 148203246.

It is an arithmetic number, because the mean of its divisors is an integer number (148203246).

Almost surely, 2^296406491 is an apocalyptic number.

296406491 is a deficient number, since it is larger than the sum of its proper divisors (1).

296406491 is an equidigital number, since it uses as much as digits as its factorization.

296406491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 296406491 is about 17216.4598858186. The cubic root of 296406491 is about 666.7493024510.

The spelling of 296406491 in words is "two hundred ninety-six million, four hundred six thousand, four hundred ninety-one".