393108226 has 16 divisors (see below), whose sum is σ = 703200384. Its totient is φ = 161149824.

The previous prime is 393108197. The next prime is 393108227. The reversal of 393108226 is 622801393.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 393108191 and 393108200.

It is not an unprimeable number, because it can be changed into a prime (393108227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610095 + ... + 610738.

It is an arithmetic number, because the mean of its divisors is an integer number (43950024).

Almost surely, 2^393108226 is an apocalyptic number.

393108226 is a deficient number, since it is larger than the sum of its proper divisors (310092158).

393108226 is a wasteful number, since it uses less digits than its factorization.

393108226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220865.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 393108226 is about 19826.9570534664. The cubic root of 393108226 is about 732.5501763747.

The spelling of 393108226 in words is "three hundred ninety-three million, one hundred eight thousand, two hundred twenty-six".