89847013 has 8 divisors (see below), whose sum is σ = 92107800. Its totient is φ = 87614208.

The previous prime is 89847007. The next prime is 89847019. The reversal of 89847013 is 31074898.

89847013 = 6702² + 6703².

It is an interprime number because it is at equal distance from previous prime (89847007) and next prime (89847019).

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 89434849 = 642^2 + 9457^2 .

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 89847013 - 2²¹ = 87749861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89847019) 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, 418 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (11513475).

Almost surely, 2^89847013 is an apocalyptic number.

89847013 is the 6703-rd centered square number.

It is an amenable number.

89847013 is a deficient number, since it is larger than the sum of its proper divisors (2260787).

89847013 is a wasteful number, since it uses less digits than its factorization.

89847013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 89847013 is about 9478.7664281804. The cubic root of 89847013 is about 447.8864059494.

The spelling of 89847013 in words is "eighty-nine million, eight hundred forty-seven thousand, thirteen".