147987392 has 28 divisors (see below), whose sum is σ = 335615280. Its totient is φ = 63422976.

The previous prime is 147987379. The next prime is 147987419. The reversal of 147987392 is 293789741.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 147987392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164717 + ... + 165612.

It is an arithmetic number, because the mean of its divisors is an integer number (11986260).

Almost surely, 2^147987392 is an apocalyptic number.

It is an amenable number.

147987392 is an abundant number, since it is smaller than the sum of its proper divisors (187627888).

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

147987392 is an equidigital number, since it uses as much as digits as its factorization.

147987392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330348 (or 330338 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 147987392 is about 12165.0068639520. The cubic root of 147987392 is about 528.9422263632.

The spelling of 147987392 in words is "one hundred forty-seven million, nine hundred eighty-seven thousand, three hundred ninety-two".