8274385404 has 18 divisors (see below), whose sum is σ = 20915807640. Its totient is φ = 2758128456.

The previous prime is 8274385397. The next prime is 8274385409. The reversal of 8274385404 is 4045834728.

It is a happy number.

8274385404 is a `hidden beast` number, since 8 + 2 + 74 + 38 + 540 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 8274385404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8274385409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114921984 + ... + 114922055.

Almost surely, 2^8274385404 is an apocalyptic number.

It is an amenable number.

8274385404 is an abundant number, since it is smaller than the sum of its proper divisors (12641422236).

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

8274385404 is a wasteful number, since it uses less digits than its factorization.

8274385404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229844049 (or 229844044 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The square root of 8274385404 is about 90963.6488054432. The cubic root of 8274385404 is about 2022.6089059502.

The spelling of 8274385404 in words is "eight billion, two hundred seventy-four million, three hundred eighty-five thousand, four hundred four".