398041226 has 32 divisors (see below), whose sum is σ = 666118080. Its totient is φ = 176860800.

The previous prime is 398041223. The next prime is 398041309. The reversal of 398041226 is 622140893.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (398041223) 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, 239390 + ... + 241046.

It is an arithmetic number, because the mean of its divisors is an integer number (20816190).

Almost surely, 2^398041226 is an apocalyptic number.

398041226 is a deficient number, since it is larger than the sum of its proper divisors (268076854).

398041226 is a wasteful number, since it uses less digits than its factorization.

398041226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 398041226 is about 19950.9705528328. The cubic root of 398041226 is about 735.6016336734.

The spelling of 398041226 in words is "three hundred ninety-eight million, forty-one thousand, two hundred twenty-six".