378689472 has 112 divisors (see below), whose sum is σ = 1272357120. Its totient is φ = 108193536.

The previous prime is 378689449. The next prime is 378689483. The reversal of 378689472 is 274986873.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3558 + ... + 27749.

Almost surely, 2^378689472 is an apocalyptic number.

378689472 is a gapful number since it is divisible by the number (32) 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 378689472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636178560).

378689472 is an abundant number, since it is smaller than the sum of its proper divisors (893667648).

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

378689472 is a wasteful number, since it uses less digits than its factorization.

378689472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31335 (or 31319 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 378689472 is about 19459.9453236642. The cubic root of 378689472 is about 723.4820221892.

The spelling of 378689472 in words is "three hundred seventy-eight million, six hundred eighty-nine thousand, four hundred seventy-two".