47489858 has 32 divisors (see below), whose sum is σ = 78769152. Its totient is φ = 21340800.

The previous prime is 47489851. The next prime is 47489909. The reversal of 47489858 is 85898474.

It is a happy number.

It is a super-2 number, since 2×47489858² = 4510573225720328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47489851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248543 + ... + 248733.

It is an arithmetic number, because the mean of its divisors is an integer number (2461536).

Almost surely, 2^47489858 is an apocalyptic number.

47489858 is a deficient number, since it is larger than the sum of its proper divisors (31279294).

47489858 is a wasteful number, since it uses less digits than its factorization.

47489858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 2580480, while the sum is 53.

The square root of 47489858 is about 6891.2885587530. The cubic root of 47489858 is about 362.1320448663.

The spelling of 47489858 in words is "forty-seven million, four hundred eighty-nine thousand, eight hundred fifty-eight".