47985442 has 8 divisors (see below), whose sum is σ = 72024732. Its totient is φ = 23977200.

The previous prime is 47985439. The next prime is 47985451. The reversal of 47985442 is 24458974.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 5331481 = 6531^2 + 2309^2 .

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

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, 3409 + ... + 10372.

Almost surely, 2^47985442 is an apocalyptic number.

47985442 is a deficient number, since it is larger than the sum of its proper divisors (24039290).

47985442 is a wasteful number, since it uses less digits than its factorization.

47985442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524.

The product of its digits is 322560, while the sum is 43.

The square root of 47985442 is about 6927.1525174490. The cubic root of 47985442 is about 363.3873736825.

The spelling of 47985442 in words is "forty-seven million, nine hundred eighty-five thousand, four hundred forty-two".