378149562 has 36 divisors (see below), whose sum is σ = 953093466. Its totient is φ = 108042480.

The previous prime is 378149561. The next prime is 378149567. The reversal of 378149562 is 265941873.

378149562 is a `hidden beast` number, since 3 + 7 + 81 + 4 + 9 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 234365481 + 143784081 = 15309^2 + 11991^2 .

It is not an unprimeable number, because it can be changed into a prime (378149561) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 213489 + ... + 215252.

Almost surely, 2^378149562 is an apocalyptic number.

378149562 is an abundant number, since it is smaller than the sum of its proper divisors (574943904).

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

378149562 is a wasteful number, since it uses less digits than its factorization.

378149562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428763 (or 428753 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 378149562 is about 19446.0680344382. The cubic root of 378149562 is about 723.1380279738.

The spelling of 378149562 in words is "three hundred seventy-eight million, one hundred forty-nine thousand, five hundred sixty-two".