978263 has 8 divisors (see below), whose sum is σ = 1149456. Its totient is φ = 820800.

The previous prime is 978239. The next prime is 978269. The reversal of 978263 is 362879.

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

It is a cyclic number.

It is not a de Polignac number, because 978263 - 2⁸ = 978007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (143682).

2⁹⁷⁸²⁶³ is an apocalyptic number.

978263 is a deficient number, since it is larger than the sum of its proper divisors (171193).

978263 is a wasteful number, since it uses less digits than its factorization.

978263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865.

The product of its digits is 18144, while the sum is 35.

The square root of 978263 is about 989.0717870812. The cubic root of 978263 is about 99.2701190319.

The spelling of 978263 in words is "nine hundred seventy-eight thousand, two hundred sixty-three".