378469385 has 48 divisors (see below), whose sum is σ = 566228880. Its totient is φ = 241274880.

The previous prime is 378469369. The next prime is 378469397. The reversal of 378469385 is 583964873.

It can be written as a sum of positive squares in 8 ways, for example, as 866761 + 377602624 = 931^2 + 19432^2 .

It is not a de Polignac number, because 378469385 - 2⁴ = 378469369 is a prime.

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, 370175 + ... + 371195.

It is an arithmetic number, because the mean of its divisors is an integer number (11796435).

Almost surely, 2^378469385 is an apocalyptic number.

378469385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378469385 is a deficient number, since it is larger than the sum of its proper divisors (187759495).

378469385 is a wasteful number, since it uses less digits than its factorization.

378469385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1139 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 378469385 is about 19454.2896297963. The cubic root of 378469385 is about 723.3418371066.

The spelling of 378469385 in words is "three hundred seventy-eight million, four hundred sixty-nine thousand, three hundred eighty-five".