47814989 has 8 divisors (see below), whose sum is σ = 50692608. Its totient is φ = 45020880.

The previous prime is 47814967. The next prime is 47815003. The reversal of 47814989 is 98941874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47814989 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47814289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19697 + ... + 21990.

It is an arithmetic number, because the mean of its divisors is an integer number (6336576).

Almost surely, 2^47814989 is an apocalyptic number.

It is an amenable number.

47814989 is a deficient number, since it is larger than the sum of its proper divisors (2877619).

47814989 is a wasteful number, since it uses less digits than its factorization.

47814989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41755.

The product of its digits is 580608, while the sum is 50.

The square root of 47814989 is about 6914.8383205972. The cubic root of 47814989 is about 362.9565905688.

The spelling of 47814989 in words is "forty-seven million, eight hundred fourteen thousand, nine hundred eighty-nine".