8140434 has 32 divisors (see below), whose sum is σ = 16765056. Its totient is φ = 2634240.

The previous prime is 8140421. The next prime is 8140439. The reversal of 8140434 is 4340418.

8140434 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8140439) 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, 41224 + ... + 41420.

It is an arithmetic number, because the mean of its divisors is an integer number (523908).

Almost surely, 2^8140434 is an apocalyptic number.

8140434 is an abundant number, since it is smaller than the sum of its proper divisors (8624622).

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

8140434 is a wasteful number, since it uses less digits than its factorization.

8140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8140434 is about 2853.1445809843. The cubic root of 8140434 is about 201.1635015287.

The spelling of 8140434 in words is "eight million, one hundred forty thousand, four hundred thirty-four".