378944220 has 24 divisors (see below), whose sum is σ = 1061043984. Its totient is φ = 101051776.

The previous prime is 378944207. The next prime is 378944231. The reversal of 378944220 is 22449873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157809 + ... + 3157928.

It is an arithmetic number, because the mean of its divisors is an integer number (44210166).

Almost surely, 2^378944220 is an apocalyptic number.

378944220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378944220 is an abundant number, since it is smaller than the sum of its proper divisors (682099764).

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

378944220 is a wasteful number, since it uses less digits than its factorization.

378944220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315749 (or 6315747 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 378944220 is about 19466.4896681451. The cubic root of 378944220 is about 723.6442168977.

The spelling of 378944220 in words is "three hundred seventy-eight million, nine hundred forty-four thousand, two hundred twenty".