378214872 has 32 divisors (see below), whose sum is σ = 1080614400. Its totient is φ = 108061344.

The previous prime is 378214853. The next prime is 378214877. The reversal of 378214872 is 278412873.

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378214877) 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, 1125472 + ... + 1125807.

It is an arithmetic number, because the mean of its divisors is an integer number (33769200).

Almost surely, 2^378214872 is an apocalyptic number.

It is an amenable number.

378214872 is an abundant number, since it is smaller than the sum of its proper divisors (702399528).

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

378214872 is a wasteful number, since it uses less digits than its factorization.

378214872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251295 (or 2251291 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 378214872 is about 19447.7472217221. The cubic root of 378214872 is about 723.1796564992.

The spelling of 378214872 in words is "three hundred seventy-eight million, two hundred fourteen thousand, eight hundred seventy-two".