8494140 has 48 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 2145600.

The previous prime is 8494139. The next prime is 8494147. The reversal of 8494140 is 414948.

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 = 8494098 and 8494107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494147) 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, 2586 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^8494140 is an apocalyptic number.

It is an amenable number.

8494140 is an abundant number, since it is smaller than the sum of its proper divisors (16544580).

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

8494140 is a wasteful number, since it uses less digits than its factorization.

8494140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482 (or 7480 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8494140 is about 2914.4707924424. The cubic root of 8494140 is about 204.0358452967.

The spelling of 8494140 in words is "eight million, four hundred ninety-four thousand, one hundred forty".