47308830 has 32 divisors (see below), whose sum is σ = 113971104. Its totient is φ = 12567936.

The previous prime is 47308823. The next prime is 47308847. The reversal of 47308830 is 3880374.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47308791 and 47308800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 11156.

It is an arithmetic number, because the mean of its divisors is an integer number (3561597).

Almost surely, 2^47308830 is an apocalyptic number.

47308830 is an abundant number, since it is smaller than the sum of its proper divisors (66662274).

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

47308830 is a wasteful number, since it uses less digits than its factorization.

47308830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 47308830 is about 6878.1414640875. The cubic root of 47308830 is about 361.6713183184.

The spelling of 47308830 in words is "forty-seven million, three hundred eight thousand, eight hundred thirty".