396226455 has 16 divisors (see below), whose sum is σ = 634408800. Its totient is φ = 211171968.

The previous prime is 396226447. The next prime is 396226471. The reversal of 396226455 is 554622693.

It is a happy number.

It is not a de Polignac number, because 396226455 - 2³ = 396226447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14709 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (39650550).

Almost surely, 2^396226455 is an apocalyptic number.

396226455 is a deficient number, since it is larger than the sum of its proper divisors (238182345).

396226455 is a wasteful number, since it uses less digits than its factorization.

396226455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18610.

The product of its digits is 388800, while the sum is 42.

The square root of 396226455 is about 19905.4378248759. The cubic root of 396226455 is about 734.4819988474.

The spelling of 396226455 in words is "three hundred ninety-six million, two hundred twenty-six thousand, four hundred fifty-five".