6540394 has 8 divisors (see below), whose sum is σ = 11212128. Its totient is φ = 2803020.

The previous prime is 6540383. The next prime is 6540407. The reversal of 6540394 is 4930456.

6540394 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

6540394 is strictly pandigital in base 8.

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, 233572 + ... + 233599.

It is an arithmetic number, because the mean of its divisors is an integer number (1401516).

Almost surely, 2^6540394 is an apocalyptic number.

6540394 is a deficient number, since it is larger than the sum of its proper divisors (4671734).

6540394 is a wasteful number, since it uses less digits than its factorization.

6540394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467180.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6540394 is about 2557.4194024446. The cubic root of 6540394 is about 187.0113522234.

The spelling of 6540394 in words is "six million, five hundred forty thousand, three hundred ninety-four".