396335040 has 56 divisors (see below), whose sum is σ = 1258366800. Its totient is φ = 105689088.

The previous prime is 396335029. The next prime is 396335047. The reversal of 396335040 is 40533693.

It is a junction number, because it is equal to n+sod(n) for n = 396334992 and 396335010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396335047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205465 + ... + 207384.

Almost surely, 2^396335040 is an apocalyptic number.

396335040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396335040 is an abundant number, since it is smaller than the sum of its proper divisors (862031760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396335040 is a wasteful number, since it uses less digits than its factorization.

396335040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412869 (or 412859 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 396335040 is about 19908.1651590497. The cubic root of 396335040 is about 734.5490871185.

The spelling of 396335040 in words is "three hundred ninety-six million, three hundred thirty-five thousand, forty".