47649898 has 8 divisors (see below), whose sum is σ = 71782308. Its totient is φ = 23722464.

The previous prime is 47649887. The next prime is 47649911. The reversal of 47649898 is 89894674.

47649898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47155689 + 494209 = 6867^2 + 703^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50661 + ... + 51592.

Almost surely, 2^47649898 is an apocalyptic number.

47649898 is a deficient number, since it is larger than the sum of its proper divisors (24132410).

47649898 is a wasteful number, since it uses less digits than its factorization.

47649898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102488.

The product of its digits is 3483648, while the sum is 55.

The square root of 47649898 is about 6902.8905539636. The cubic root of 47649898 is about 362.5383816673.

The spelling of 47649898 in words is "forty-seven million, six hundred forty-nine thousand, eight hundred ninety-eight".