396208505 has 16 divisors (see below), whose sum is σ = 592769664. Its totient is φ = 246986880.

The previous prime is 396208487. The next prime is 396208513. The reversal of 396208505 is 505802693.

396208505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 396208505 - 2⁶ = 396208441 is a prime.

It is a Duffinian number.

It is a Curzon 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, 514172 + ... + 514941.

It is an arithmetic number, because the mean of its divisors is an integer number (37048104).

Almost surely, 2^396208505 is an apocalyptic number.

396208505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396208505 is a deficient number, since it is larger than the sum of its proper divisors (196561159).

396208505 is a wasteful number, since it uses less digits than its factorization.

396208505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029136.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 396208505 is about 19904.9869379510. The cubic root of 396208505 is about 734.4709074199.

The spelling of 396208505 in words is "three hundred ninety-six million, two hundred eight thousand, five hundred five".