378422836 has 12 divisors (see below), whose sum is σ = 722443680. Its totient is φ = 172010360.

The previous prime is 378422831. The next prime is 378422843. The reversal of 378422836 is 638224873.

It is a junction number, because it is equal to n+sod(n) for n = 378422792 and 378422801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378422831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4300216 + ... + 4300303.

It is an arithmetic number, because the mean of its divisors is an integer number (60203640).

Almost surely, 2^378422836 is an apocalyptic number.

It is an amenable number.

378422836 is a deficient number, since it is larger than the sum of its proper divisors (344020844).

378422836 is a wasteful number, since it uses less digits than its factorization.

378422836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600534 (or 8600532 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 378422836 is about 19453.0932244720. The cubic root of 378422836 is about 723.3121806174.

The spelling of 378422836 in words is "three hundred seventy-eight million, four hundred twenty-two thousand, eight hundred thirty-six".