47424489 has 16 divisors (see below), whose sum is σ = 72821760. Its totient is φ = 26891280.

The previous prime is 47424473. The next prime is 47424499. The reversal of 47424489 is 98442474.

It is a happy number.

It is not a de Polignac number, because 47424489 - 2⁴ = 47424473 is a prime.

It is a super-2 number, since 2×47424489² = 4498164313822242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47424489.

It is not an unprimeable number, because it can be changed into a prime (47424499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5869 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (4551360).

Almost surely, 2^47424489 is an apocalyptic number.

It is an amenable number.

47424489 is a deficient number, since it is larger than the sum of its proper divisors (25397271).

47424489 is a wasteful number, since it uses less digits than its factorization.

47424489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17380.

The product of its digits is 258048, while the sum is 42.

The square root of 47424489 is about 6886.5440534422. The cubic root of 47424489 is about 361.9658123244.

The spelling of 47424489 in words is "forty-seven million, four hundred twenty-four thousand, four hundred eighty-nine".