378391068 has 96 divisors (see below), whose sum is σ = 1075576320. Its totient is φ = 114088320.

The previous prime is 378391019. The next prime is 378391087. The reversal of 378391068 is 860193873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276121 + ... + 277487.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^378391068 is an apocalyptic number.

378391068 is the 12303-rd heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378391068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537788160).

378391068 is an abundant number, since it is smaller than the sum of its proper divisors (697185252).

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

378391068 is a wasteful number, since it uses less digits than its factorization.

378391068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 378391068 is about 19452.2766790934. The cubic root of 378391068 is about 723.2919397456.

The spelling of 378391068 in words is "three hundred seventy-eight million, three hundred ninety-one thousand, sixty-eight".