378598500 has 432 divisors, whose sum is σ = 1485639792. Its totient is φ = 80640000.

The previous prime is 378598499. The next prime is 378598537. The reversal of 378598500 is 5895873.

378598500 is a `hidden beast` number, since 3 + 7 + 8 + 598 + 50 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10188864 + 368409636 = 3192^2 + 19194^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 3748450 + ... + 3748550.

It is an arithmetic number, because the mean of its divisors is an integer number (3438981).

Almost surely, 2^378598500 is an apocalyptic number.

378598500 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 378598500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742819896).

378598500 is an abundant number, since it is smaller than the sum of its proper divisors (1107041292).

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

378598500 is a wasteful number, since it uses less digits than its factorization.

378598500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 378598500 is about 19457.6077666295. The cubic root of 378598500 is about 723.4240838849.

The spelling of 378598500 in words is "three hundred seventy-eight million, five hundred ninety-eight thousand, five hundred".