8904870 has 128 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 2104704.

The previous prime is 8904869. The next prime is 8904871. The reversal of 8904870 is 784098.

It is an interprime number because it is at equal distance from previous prime (8904869) and next prime (8904871).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8904871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150901 + ... + 150959.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

Almost surely, 2^8904870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8904870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13305600).

8904870 is an abundant number, since it is smaller than the sum of its proper divisors (17706330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8904870 is a wasteful number, since it uses less digits than its factorization.

8904870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8904870 is about 2984.1028802640. The cubic root of 8904870 is about 207.2729019767.

The spelling of 8904870 in words is "eight million, nine hundred four thousand, eight hundred seventy".