147906 has 40 divisors (see below), whose sum is σ = 365904. Its totient is φ = 44280.

The previous prime is 147881. The next prime is 147919. The reversal of 147906 is 609741.

147906 is nontrivially palindromic in base 13.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 147906.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147906.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1741 + ... + 1823.

2¹⁴⁷⁹⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182952).

147906 is an abundant number, since it is smaller than the sum of its proper divisors (217998).

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

147906 is a wasteful number, since it uses less digits than its factorization.

147906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 147906 is about 384.5854911460. The cubic root of 147906 is about 52.8845237108.

The spelling of 147906 in words is "one hundred forty-seven thousand, nine hundred six".