378331800 has 384 divisors, whose sum is σ = 1542758400. Its totient is φ = 74304000.

The previous prime is 378331783. The next prime is 378331801. The reversal of 378331800 is 8133873.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378331801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 877585 + ... + 878015.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^378331800 is an apocalyptic number.

378331800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378331800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771379200).

378331800 is an abundant number, since it is smaller than the sum of its proper divisors (1164426600).

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

378331800 is a wasteful number, since it uses less digits than its factorization.

378331800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 378331800 is about 19450.7531987838. The cubic root of 378331800 is about 723.2541743148.

The spelling of 378331800 in words is "three hundred seventy-eight million, three hundred thirty-one thousand, eight hundred".