396240485 has 32 divisors (see below), whose sum is σ = 509034240. Its totient is φ = 295561728.

The previous prime is 396240461. The next prime is 396240491. The reversal of 396240485 is 584042693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396240485 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641897 + ... + 642513.

It is an arithmetic number, because the mean of its divisors is an integer number (15907320).

Almost surely, 2^396240485 is an apocalyptic number.

It is an amenable number.

396240485 is a deficient number, since it is larger than the sum of its proper divisors (112793755).

396240485 is a wasteful number, since it uses less digits than its factorization.

396240485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 396240485 is about 19905.7902380187. The cubic root of 396240485 is about 734.4906678469.

The spelling of 396240485 in words is "three hundred ninety-six million, two hundred forty thousand, four hundred eighty-five".