8940405 has 8 divisors (see below), whose sum is σ = 14304672. Its totient is φ = 4768208.

The previous prime is 8940397. The next prime is 8940427. The reversal of 8940405 is 5040498.

8940405 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 8940405 - 2³ = 8940397 is a prime.

It is a congruent number.

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, 297999 + ... + 298028.

It is an arithmetic number, because the mean of its divisors is an integer number (1788084).

Almost surely, 2^8940405 is an apocalyptic number.

It is an amenable number.

8940405 is a deficient number, since it is larger than the sum of its proper divisors (5364267).

8940405 is a wasteful number, since it uses less digits than its factorization.

8940405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596035.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8940405 is about 2990.0510029095. The cubic root of 8940405 is about 207.5482444554.

The spelling of 8940405 in words is "eight million, nine hundred forty thousand, four hundred five".