147397646 has 8 divisors (see below), whose sum is σ = 241196184. Its totient is φ = 66998920.

The previous prime is 147397643. The next prime is 147397669. The reversal of 147397646 is 646793741.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 147397646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147397643) by changing a digit.

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, 3349925 + ... + 3349968.

It is an arithmetic number, because the mean of its divisors is an integer number (30149523).

Almost surely, 2^147397646 is an apocalyptic number.

147397646 is a deficient number, since it is larger than the sum of its proper divisors (93798538).

147397646 is a wasteful number, since it uses less digits than its factorization.

147397646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699906.

The product of its digits is 762048, while the sum is 47.

The square root of 147397646 is about 12140.7432227191. The cubic root of 147397646 is about 528.2386599948.

It can be divided in two parts, 147 and 397646, that added together give a palindrome (397793).

The spelling of 147397646 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, six hundred forty-six".