378334390 has 48 divisors (see below), whose sum is σ = 794124000. Its totient is φ = 129397632.

The previous prime is 378334387. The next prime is 378334391. The reversal of 378334390 is 93433873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378334391) 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, 292866 + ... + 294154.

It is an arithmetic number, because the mean of its divisors is an integer number (16544250).

Almost surely, 2^378334390 is an apocalyptic number.

378334390 is an abundant number, since it is smaller than the sum of its proper divisors (415789610).

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

378334390 is a wasteful number, since it uses less digits than its factorization.

378334390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 378334390 is about 19450.8197770685. The cubic root of 378334390 is about 723.2558247392.

The spelling of 378334390 in words is "three hundred seventy-eight million, three hundred thirty-four thousand, three hundred ninety".