47928290 has 8 divisors (see below), whose sum is σ = 86270940. Its totient is φ = 19171312.

The previous prime is 47928289. The next prime is 47928299. The reversal of 47928290 is 9282974.

It can be written as a sum of positive squares in 2 ways, for example, as 47927929 + 361 = 6923^2 + 19^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47928299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396405 + ... + 2396424.

Almost surely, 2^47928290 is an apocalyptic number.

47928290 is a deficient number, since it is larger than the sum of its proper divisors (38342650).

47928290 is a wasteful number, since it uses less digits than its factorization.

47928290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792836.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 47928290 is about 6923.0260724628. The cubic root of 47928290 is about 363.2430482025.

The spelling of 47928290 in words is "forty-seven million, nine hundred twenty-eight thousand, two hundred ninety".