378618498 has 24 divisors (see below), whose sum is σ = 828466236. Its totient is φ = 124956000.

The previous prime is 378618439. The next prime is 378618523. The reversal of 378618498 is 894816873.

378618498 is a `hidden beast` number, since 378 + 6 + 184 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 333902529 + 44715969 = 18273^2 + 6687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102313 + ... + 105948.

Almost surely, 2^378618498 is an apocalyptic number.

378618498 is an abundant number, since it is smaller than the sum of its proper divisors (449847738).

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

378618498 is a wasteful number, since it uses less digits than its factorization.

378618498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208370 (or 208367 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 378618498 is about 19458.1216462432. The cubic root of 378618498 is about 723.4368210195.

The spelling of 378618498 in words is "three hundred seventy-eight million, six hundred eighteen thousand, four hundred ninety-eight".