296639 has 8 divisors (see below), whose sum is σ = 350208. Its totient is φ = 245880.

The previous prime is 296627. The next prime is 296651. The reversal of 296639 is 936692.

It is an interprime number because it is at equal distance from previous prime (296627) and next prime (296651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-296639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 296599 and 296608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (296669) 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 in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2²⁹⁶⁶³⁹ is an apocalyptic number.

296639 is a deficient number, since it is larger than the sum of its proper divisors (53569).

296639 is a wasteful number, since it uses less digits than its factorization.

296639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 17496, while the sum is 35.

The square root of 296639 is about 544.6457564326. The cubic root of 296639 is about 66.6923595413.

The spelling of 296639 in words is "two hundred ninety-six thousand, six hundred thirty-nine".