8380406 has 8 divisors (see below), whose sum is σ = 13232280. Its totient is φ = 3969648.

The previous prime is 8380403. The next prime is 8380417. The reversal of 8380406 is 6040838.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110231 + ... + 110306.

It is an arithmetic number, because the mean of its divisors is an integer number (1654035).

Almost surely, 2^8380406 is an apocalyptic number.

8380406 is a deficient number, since it is larger than the sum of its proper divisors (4851874).

8380406 is a wasteful number, since it uses less digits than its factorization.

8380406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220558.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8380406 is about 2894.8930895631. The cubic root of 8380406 is about 203.1210906072.

The spelling of 8380406 in words is "eight million, three hundred eighty thousand, four hundred six".