89020849 has 4 divisors (see below), whose sum is σ = 89162560. Its totient is φ = 88879140.

The previous prime is 89020847. The next prime is 89020861. The reversal of 89020849 is 94802098.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 89020849 - 2¹ = 89020847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89020843) 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, 69909 + ... + 71170.

It is an arithmetic number, because the mean of its divisors is an integer number (22290640).

Almost surely, 2^89020849 is an apocalyptic number.

It is an amenable number.

89020849 is a deficient number, since it is larger than the sum of its proper divisors (141711).

89020849 is a wasteful number, since it uses less digits than its factorization.

89020849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141710.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 89020849 is about 9435.0860621406. The cubic root of 89020849 is about 446.5093703086.

The spelling of 89020849 in words is "eighty-nine million, twenty thousand, eight hundred forty-nine".