8270940 has 24 divisors (see below), whose sum is σ = 23158800. Its totient is φ = 2205568.

The previous prime is 8270939. The next prime is 8270953. The reversal of 8270940 is 490728.

8270940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8270898 and 8270907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68865 + ... + 68984.

It is an arithmetic number, because the mean of its divisors is an integer number (964950).

Almost surely, 2^8270940 is an apocalyptic number.

It is an amenable number.

8270940 is an abundant number, since it is smaller than the sum of its proper divisors (14887860).

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

8270940 is a wasteful number, since it uses less digits than its factorization.

8270940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137861 (or 137859 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8270940 is about 2875.9241992793. The cubic root of 8270940 is about 202.2328132940.

The spelling of 8270940 in words is "eight million, two hundred seventy thousand, nine hundred forty".