8190406 has 32 divisors (see below), whose sum is σ = 15160320. Its totient is φ = 3240000.

The previous prime is 8190401. The next prime is 8190407. The reversal of 8190406 is 6040918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190401) 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, 10531 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (473760).

Almost surely, 2^8190406 is an apocalyptic number.

8190406 is a deficient number, since it is larger than the sum of its proper divisors (6969914).

8190406 is a wasteful number, since it uses less digits than its factorization.

8190406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8190406 is about 2861.8885373124. Note that the first 3 decimals coincide. The cubic root of 8190406 is about 201.5742921731.

The spelling of 8190406 in words is "eight million, one hundred ninety thousand, four hundred six".