989264537 has 8 divisors (see below), whose sum is σ = 1005229320. Its totient is φ = 973365120.

The previous prime is 989264531. The next prime is 989264603. The reversal of 989264537 is 735462989.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 988222096 = 1021^2 + 31436^2 .

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 989264537 - 2⁶ = 989264473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989264531) 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, 14639 + ... + 46827.

It is an arithmetic number, because the mean of its divisors is an integer number (125653665).

Almost surely, 2^989264537 is an apocalyptic number.

It is an amenable number.

989264537 is a deficient number, since it is larger than the sum of its proper divisors (15964783).

989264537 is a wasteful number, since it uses less digits than its factorization.

989264537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32683.

The product of its digits is 3265920, while the sum is 53.

The square root of 989264537 is about 31452.5759994313. The cubic root of 989264537 is about 996.4086298341.

The spelling of 989264537 in words is "nine hundred eighty-nine million, two hundred sixty-four thousand, five hundred thirty-seven".