396824905 has 8 divisors (see below), whose sum is σ = 478584000. Its totient is φ = 315863856.

The previous prime is 396824903. The next prime is 396824929. The reversal of 396824905 is 509428693.

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

It is a cyclic number.

It is not a de Polignac number, because 396824905 - 2¹ = 396824903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396824903) 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, 198415 + ... + 200404.

It is an arithmetic number, because the mean of its divisors is an integer number (59823000).

Almost surely, 2^396824905 is an apocalyptic number.

It is an amenable number.

396824905 is a deficient number, since it is larger than the sum of its proper divisors (81759095).

396824905 is a wasteful number, since it uses less digits than its factorization.

396824905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399023.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 396824905 is about 19920.4644775166. The cubic root of 396824905 is about 734.8515935887.

The spelling of 396824905 in words is "three hundred ninety-six million, eight hundred twenty-four thousand, nine hundred five".