989292793 has 2 divisors, whose sum is σ = 989292794. Its totient is φ = 989292792.

The previous prime is 989292769. The next prime is 989292797. The reversal of 989292793 is 397292989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860424889 + 128867904 = 29333^2 + 11352^2 .

It is a cyclic number.

It is not a de Polignac number, because 989292793 - 2²⁹ = 452421881 is a prime.

It is not a weakly prime, because it can be changed into another prime (989292797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494646396 + 494646397.

It is an arithmetic number, because the mean of its divisors is an integer number (494646397).

Almost surely, 2^989292793 is an apocalyptic number.

It is an amenable number.

989292793 is a deficient number, since it is larger than the sum of its proper divisors (1).

989292793 is an equidigital number, since it uses as much as digits as its factorization.

989292793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 58.

The square root of 989292793 is about 31453.0251804179. The cubic root of 989292793 is about 996.4181164285.

The spelling of 989292793 in words is "nine hundred eighty-nine million, two hundred ninety-two thousand, seven hundred ninety-three".