378288315 has 48 divisors (see below), whose sum is σ = 666563040. Its totient is φ = 198443520.

The previous prime is 378288293. The next prime is 378288331. The reversal of 378288315 is 513882873.

It is not a de Polignac number, because 378288315 - 2⁸ = 378288059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1142700 + ... + 1143030.

It is an arithmetic number, because the mean of its divisors is an integer number (13886730).

Almost surely, 2^378288315 is an apocalyptic number.

378288315 is a deficient number, since it is larger than the sum of its proper divisors (288274725).

378288315 is a wasteful number, since it uses less digits than its factorization.

378288315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 681 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 378288315 is about 19449.6353436253. The cubic root of 378288315 is about 723.2264632661.

The spelling of 378288315 in words is "three hundred seventy-eight million, two hundred eighty-eight thousand, three hundred fifteen".