378269406 has 32 divisors (see below), whose sum is σ = 844608000. Its totient is φ = 125488440.

The previous prime is 378269399. The next prime is 378269447. The reversal of 378269406 is 604962873.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (26394000).

Almost surely, 2^378269406 is an apocalyptic number.

378269406 is an abundant number, since it is smaller than the sum of its proper divisors (466338594).

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

378269406 is a wasteful number, since it uses less digits than its factorization.

378269406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33421 (or 33415 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 378269406 is about 19449.1492358920. The cubic root of 378269406 is about 723.2144127423.

It can be divided in two parts, 3 and 78269406, that added together give a square (78269409 = 8847²).

The spelling of 378269406 in words is "three hundred seventy-eight million, two hundred sixty-nine thousand, four hundred six".