396354834 has 12 divisors (see below), whose sum is σ = 858768846. Its totient is φ = 132118272.

The previous prime is 396354793. The next prime is 396354863. The reversal of 396354834 is 438453693.

396354834 is a `hidden beast` number, since 3 + 9 + 635 + 4 + 8 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 252714609 + 143640225 = 15897^2 + 11985^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 396354834.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11009839 + ... + 11009874.

Almost surely, 2^396354834 is an apocalyptic number.

396354834 is an abundant number, since it is smaller than the sum of its proper divisors (462414012).

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

396354834 is a wasteful number, since it uses less digits than its factorization.

396354834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22019721 (or 22019718 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 396354834 is about 19908.6622855480. The cubic root of 396354834 is about 734.5613153439.

The spelling of 396354834 in words is "three hundred ninety-six million, three hundred fifty-four thousand, eight hundred thirty-four".