378478424 has 16 divisors (see below), whose sum is σ = 711186720. Its totient is φ = 188828640.

The previous prime is 378478417. The next prime is 378478433. The reversal of 378478424 is 424874873.

378478424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47387 + ... + 54794.

It is an arithmetic number, because the mean of its divisors is an integer number (44449170).

Almost surely, 2^378478424 is an apocalyptic number.

It is an amenable number.

378478424 is a deficient number, since it is larger than the sum of its proper divisors (332708296).

378478424 is a wasteful number, since it uses less digits than its factorization.

378478424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102650 (or 102646 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 47.

The square root of 378478424 is about 19454.5219422118. The cubic root of 378478424 is about 723.3475955951.

The spelling of 378478424 in words is "three hundred seventy-eight million, four hundred seventy-eight thousand, four hundred twenty-four".