47939450 has 48 divisors (see below), whose sum is σ = 96931296. Its totient is φ = 17534400.

The previous prime is 47939417. The next prime is 47939477. The reversal of 47939450 is 5493974.

It is a junction number, because it is equal to n+sod(n) for n = 47939398 and 47939407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84869 + ... + 85431.

It is an arithmetic number, because the mean of its divisors is an integer number (2019402).

Almost surely, 2^47939450 is an apocalyptic number.

47939450 is an abundant number, since it is smaller than the sum of its proper divisors (48991846).

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

47939450 is a wasteful number, since it uses less digits than its factorization.

47939450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 47939450 is about 6923.8320314693. The cubic root of 47939450 is about 363.2712394706.

The spelling of 47939450 in words is "forty-seven million, nine hundred thirty-nine thousand, four hundred fifty".