378835446 has 64 divisors (see below), whose sum is σ = 884100096. Its totient is φ = 106944000.

The previous prime is 378835423. The next prime is 378835447. The reversal of 378835446 is 644538873.

It is a junction number, because it is equal to n+sod(n) for n = 378835395 and 378835404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378835447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111651 + ... + 114993.

It is an arithmetic number, because the mean of its divisors is an integer number (13814064).

Almost surely, 2^378835446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378835446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442050048).

378835446 is an abundant number, since it is smaller than the sum of its proper divisors (505264650).

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

378835446 is a wasteful number, since it uses less digits than its factorization.

378835446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477.

The product of its digits is 1935360, while the sum is 48.

The square root of 378835446 is about 19463.6955894815. The cubic root of 378835446 is about 723.5749708148.

The spelling of 378835446 in words is "three hundred seventy-eight million, eight hundred thirty-five thousand, four hundred forty-six".