8640354 has 16 divisors (see below), whose sum is σ = 17322048. Its totient is φ = 2873232.

The previous prime is 8640349. The next prime is 8640391. The reversal of 8640354 is 4530468.

8640354 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (1082628).

Almost surely, 2^8640354 is an apocalyptic number.

8640354 is an abundant number, since it is smaller than the sum of its proper divisors (8681694).

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

8640354 is a wasteful number, since it uses less digits than its factorization.

8640354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 8640354 is about 2939.4479073459. The cubic root of 8640354 is about 205.1999160235.

The spelling of 8640354 in words is "eight million, six hundred forty thousand, three hundred fifty-four".