47139606 has 48 divisors (see below), whose sum is σ = 109085184. Its totient is φ = 14660352.

The previous prime is 47139563. The next prime is 47139607. The reversal of 47139606 is 60693174.

47139606 is a `hidden beast` number, since 47 + 1 + 3 + 9 + 606 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47139607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38256 + ... + 39468.

It is an arithmetic number, because the mean of its divisors is an integer number (2272608).

Almost surely, 2^47139606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47139606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54542592).

47139606 is an abundant number, since it is smaller than the sum of its proper divisors (61945578).

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

47139606 is a wasteful number, since it uses less digits than its factorization.

47139606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47139606 is about 6865.8288647475. The cubic root of 47139606 is about 361.2395695475.

The spelling of 47139606 in words is "forty-seven million, one hundred thirty-nine thousand, six hundred six".