378846459 has 24 divisors (see below), whose sum is σ = 567309600. Its totient is φ = 243331200.

The previous prime is 378846451. The next prime is 378846473. The reversal of 378846459 is 954648873.

It is not a de Polignac number, because 378846459 - 2³ = 378846451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378846451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147234 + ... + 149784.

It is an arithmetic number, because the mean of its divisors is an integer number (23637900).

Almost surely, 2^378846459 is an apocalyptic number.

378846459 is a deficient number, since it is larger than the sum of its proper divisors (188463141).

378846459 is a wasteful number, since it uses less digits than its factorization.

378846459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155 (or 3152 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 378846459 is about 19463.9784987551. The cubic root of 378846459 is about 723.5819823497.

The spelling of 378846459 in words is "three hundred seventy-eight million, eight hundred forty-six thousand, four hundred fifty-nine".