826096989 has 4 divisors (see below), whose sum is σ = 1101462656. Its totient is φ = 550731324.

The previous prime is 826096933. The next prime is 826097023. The reversal of 826096989 is 989690628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 826096989 - 2¹⁹ = 825572701 is a prime.

It is a super-2 number, since 2×826096989² = 1364872470469732242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826096919) 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, 137682829 + ... + 137682834.

It is an arithmetic number, because the mean of its divisors is an integer number (275365664).

Almost surely, 2^826096989 is an apocalyptic number.

It is an amenable number.

826096989 is a deficient number, since it is larger than the sum of its proper divisors (275365667).

826096989 is a wasteful number, since it uses less digits than its factorization.

826096989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275365666.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 826096989 is about 28741.9030163279. The cubic root of 826096989 is about 938.3042420016.

It can be divided in two parts, 82609 and 6989, that added together give a palindrome (89598).

The spelling of 826096989 in words is "eight hundred twenty-six million, ninety-six thousand, nine hundred eighty-nine".