147843638 has 8 divisors (see below), whose sum is σ = 227759232. Its totient is φ = 71923896.

The previous prime is 147843637. The next prime is 147843643. The reversal of 147843638 is 836348741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147843637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998870 + ... + 999017.

It is an arithmetic number, because the mean of its divisors is an integer number (28469904).

Almost surely, 2^147843638 is an apocalyptic number.

147843638 is a deficient number, since it is larger than the sum of its proper divisors (79915594).

147843638 is a wasteful number, since it uses less digits than its factorization.

147843638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997926.

The product of its digits is 387072, while the sum is 44.

The square root of 147843638 is about 12159.0969237028. The cubic root of 147843638 is about 528.7709005183.

The spelling of 147843638 in words is "one hundred forty-seven million, eight hundred forty-three thousand, six hundred thirty-eight".