396927846 has 48 divisors (see below), whose sum is σ = 988416000. Its totient is φ = 112767984.

The previous prime is 396927799. The next prime is 396927851. The reversal of 396927846 is 648729693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 396927792 and 396927801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13755 + ... + 31353.

It is an arithmetic number, because the mean of its divisors is an integer number (20592000).

Almost surely, 2^396927846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396927846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494208000).

396927846 is an abundant number, since it is smaller than the sum of its proper divisors (591488154).

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

396927846 is a wasteful number, since it uses less digits than its factorization.

396927846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17793 (or 17790 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 396927846 is about 19923.0481101663. The cubic root of 396927846 is about 734.9151311143.

The spelling of 396927846 in words is "three hundred ninety-six million, nine hundred twenty-seven thousand, eight hundred forty-six".