47989419 has 32 divisors (see below), whose sum is σ = 70456320. Its totient is φ = 28933632.

The previous prime is 47989411. The next prime is 47989427. The reversal of 47989419 is 91498974.

47989419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47989411) and next prime (47989427).

It is not a de Polignac number, because 47989419 - 2³ = 47989411 is a prime.

It is a super-2 number, since 2×47989419² = 4605968671915122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (47989411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 173109 + ... + 173385.

It is an arithmetic number, because the mean of its divisors is an integer number (2201760).

Almost surely, 2^47989419 is an apocalyptic number.

47989419 is a deficient number, since it is larger than the sum of its proper divisors (22466901).

47989419 is a wasteful number, since it uses less digits than its factorization.

47989419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 653184, while the sum is 51.

The square root of 47989419 is about 6927.4395702886. The cubic root of 47989419 is about 363.3974125026.

It can be divided in two parts, 479 and 89419, that added together give a palindrome (89898).

The spelling of 47989419 in words is "forty-seven million, nine hundred eighty-nine thousand, four hundred nineteen".