378293428 has 12 divisors (see below), whose sum is σ = 665341600. Its totient is φ = 188195832.

The previous prime is 378293417. The next prime is 378293453. The reversal of 378293428 is 824392873.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 236826 + ... + 238417.

Almost surely, 2^378293428 is an apocalyptic number.

It is an amenable number.

378293428 is a deficient number, since it is larger than the sum of its proper divisors (287048172).

378293428 is a wasteful number, since it uses less digits than its factorization.

378293428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475446 (or 475444 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 378293428 is about 19449.7667852342. The cubic root of 378293428 is about 723.2297216629.

The spelling of 378293428 in words is "three hundred seventy-eight million, two hundred ninety-three thousand, four hundred twenty-eight".