296840231 has 4 divisors (see below), whose sum is σ = 309746352. Its totient is φ = 283934112.

The previous prime is 296840207. The next prime is 296840261. The reversal of 296840231 is 132048692.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 296840231 - 2²⁶ = 229731367 is a prime.

It is a super-2 number, since 2×296840231² = 176228245480266722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 296840191 and 296840200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (296840261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453026 + ... + 6453071.

It is an arithmetic number, because the mean of its divisors is an integer number (77436588).

Almost surely, 2^296840231 is an apocalyptic number.

296840231 is a deficient number, since it is larger than the sum of its proper divisors (12906121).

296840231 is a wasteful number, since it uses less digits than its factorization.

296840231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906120.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 296840231 is about 17229.0519472198. The cubic root of 296840231 is about 667.0743683127.

The spelling of 296840231 in words is "two hundred ninety-six million, eight hundred forty thousand, two hundred thirty-one".