8428700 has 36 divisors (see below), whose sum is σ = 20904912. Its totient is φ = 2889600.

The previous prime is 8428697. The next prime is 8428703. The reversal of 8428700 is 78248.

It is an interprime number because it is at equal distance from previous prime (8428697) and next prime (8428703).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5321 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (580692).

Almost surely, 2^8428700 is an apocalyptic number.

It is an amenable number.

8428700 is an abundant number, since it is smaller than the sum of its proper divisors (12476212).

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

8428700 is a wasteful number, since it uses less digits than its factorization.

8428700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062 (or 12055 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8428700 is about 2903.2223476682. Note that the first 3 decimals coincide. The cubic root of 8428700 is about 203.5105206988.

The spelling of 8428700 in words is "eight million, four hundred twenty-eight thousand, seven hundred".