47809308 has 12 divisors (see below), whose sum is σ = 111555080. Its totient is φ = 15936432.

The previous prime is 47809297. The next prime is 47809319. The reversal of 47809308 is 80390874.

It is an interprime number because it is at equal distance from previous prime (47809297) and next prime (47809319).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992043 + ... + 1992066.

Almost surely, 2^47809308 is an apocalyptic number.

It is an amenable number.

47809308 is an abundant number, since it is smaller than the sum of its proper divisors (63745772).

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

47809308 is a wasteful number, since it uses less digits than its factorization.

47809308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984116 (or 3984114 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47809308 is about 6914.4275251101. The cubic root of 47809308 is about 362.9422154527.

The spelling of 47809308 in words is "forty-seven million, eight hundred nine thousand, three hundred eight".