8240889 has 8 divisors (see below), whose sum is σ = 11566240. Its totient is φ = 5204736.

The previous prime is 8240879. The next prime is 8240909. The reversal of 8240889 is 9880428.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8240889 - 2⁴ = 8240873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8240809) 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, 72232 + ... + 72345.

It is an arithmetic number, because the mean of its divisors is an integer number (1445780).

Almost surely, 2^8240889 is an apocalyptic number.

It is an amenable number.

8240889 is a deficient number, since it is larger than the sum of its proper divisors (3325351).

8240889 is a wasteful number, since it uses less digits than its factorization.

8240889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144599.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 8240889 is about 2870.6948636175. The cubic root of 8240889 is about 201.9875903235.

The spelling of 8240889 in words is "eight million, two hundred forty thousand, eight hundred eighty-nine".