396804750 has 64 divisors (see below), whose sum is σ = 994144320. Its totient is φ = 105417600.

The previous prime is 396804739. The next prime is 396804757. The reversal of 396804750 is 57408693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396804757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236916 + ... + 238584.

It is an arithmetic number, because the mean of its divisors is an integer number (15533505).

Almost surely, 2^396804750 is an apocalyptic number.

396804750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 396804750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497072160).

396804750 is an abundant number, since it is smaller than the sum of its proper divisors (597339570).

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

396804750 is a wasteful number, since it uses less digits than its factorization.

396804750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 396804750 is about 19919.9585842943. The cubic root of 396804750 is about 734.8391521782.

The spelling of 396804750 in words is "three hundred ninety-six million, eight hundred four thousand, seven hundred fifty".