396750 has 48 divisors (see below), whose sum is σ = 1035216. Its totient is φ = 101200.

The previous prime is 396733. The next prime is 396833. The reversal of 396750 is 57693.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17239 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (21567).

2³⁹⁶⁷⁵⁰ is an apocalyptic number.

396750 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 396750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517608).

396750 is an abundant number, since it is smaller than the sum of its proper divisors (638466).

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

396750 is a wasteful number, since it uses less digits than its factorization.

396750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 396750 is about 629.8809411309. The cubic root of 396750 is about 73.4805353613.

Multiplying 396750 by its sum of digits (30), we get a square (11902500 = 3450²).

396750 divided by its sum of digits (30) gives a square (13225 = 115²).

The spelling of 396750 in words is "three hundred ninety-six thousand, seven hundred fifty".