8747406 has 32 divisors (see below), whose sum is σ = 20286720. Its totient is φ = 2788632.

The previous prime is 8747381. The next prime is 8747407. The reversal of 8747406 is 6047478.

It is a happy number.

8747406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8747406² = 153034223457672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8747407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (633960).

Almost surely, 2^8747406 is an apocalyptic number.

8747406 is an abundant number, since it is smaller than the sum of its proper divisors (11539314).

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

8747406 is a wasteful number, since it uses less digits than its factorization.

8747406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077 (or 7071 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 8747406 is about 2957.6013930210. The cubic root of 8747406 is about 206.0438999034.

The spelling of 8747406 in words is "eight million, seven hundred forty-seven thousand, four hundred six".