8470940 has 12 divisors (see below), whose sum is σ = 17789016. Its totient is φ = 3388368.

The previous prime is 8470927. The next prime is 8471053. The reversal of 8470940 is 490748.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8470897 and 8470906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211754 + ... + 211793.

It is an arithmetic number, because the mean of its divisors is an integer number (1482418).

Almost surely, 2^8470940 is an apocalyptic number.

It is an amenable number.

8470940 is an abundant number, since it is smaller than the sum of its proper divisors (9318076).

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

8470940 is a wasteful number, since it uses less digits than its factorization.

8470940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423556 (or 423554 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8470940 is about 2910.4879316018. The cubic root of 8470940 is about 203.8499152394.

The spelling of 8470940 in words is "eight million, four hundred seventy thousand, nine hundred forty".