378791000 has 128 divisors (see below), whose sum is σ = 1033119360. Its totient is φ = 127296000.

The previous prime is 378790981. The next prime is 378791003. The reversal of 378791000 is 197873.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378791003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370490 + ... + 371510.

It is an arithmetic number, because the mean of its divisors is an integer number (8071245).

Almost surely, 2^378791000 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 378791000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516559680).

378791000 is an abundant number, since it is smaller than the sum of its proper divisors (654328360).

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

378791000 is a wasteful number, since it uses less digits than its factorization.

378791000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 378791000 is about 19462.5537892641. The cubic root of 378791000 is about 723.5466724500.

The spelling of 378791000 in words is "three hundred seventy-eight million, seven hundred ninety-one thousand".