378784944 has 40 divisors (see below), whose sum is σ = 1087254320. Its totient is φ = 126261504.

The previous prime is 378784867. The next prime is 378784949. The reversal of 378784944 is 449487873.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378784949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437977 + ... + 438840.

It is an arithmetic number, because the mean of its divisors is an integer number (27181358).

Almost surely, 2^378784944 is an apocalyptic number.

It is an amenable number.

378784944 is an abundant number, since it is smaller than the sum of its proper divisors (708469376).

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

378784944 is a wasteful number, since it uses less digits than its factorization.

378784944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876834 (or 876822 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 378784944 is about 19462.3982078263. The cubic root of 378784944 is about 723.5428164784.

The spelling of 378784944 in words is "three hundred seventy-eight million, seven hundred eighty-four thousand, nine hundred forty-four".