396239800 has 96 divisors (see below), whose sum is σ = 1010627280. Its totient is φ = 143283200.

The previous prime is 396239783. The next prime is 396239801. The reversal of 396239800 is 8932693.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396239801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512214 + ... + 512986.

Almost surely, 2^396239800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396239800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505313640).

396239800 is an abundant number, since it is smaller than the sum of its proper divisors (614387480).

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

396239800 is a wasteful number, since it uses less digits than its factorization.

396239800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 396239800 is about 19905.7730319624. The cubic root of 396239800 is about 734.4902445968.

The spelling of 396239800 in words is "three hundred ninety-six million, two hundred thirty-nine thousand, eight hundred".