47398989 has 8 divisors (see below), whose sum is σ = 68944032. Its totient is φ = 28726640.

The previous prime is 47398987. The next prime is 47398991. The reversal of 47398989 is 98989374.

It is an interprime number because it is at equal distance from previous prime (47398987) and next prime (47398991).

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

It is a cyclic number.

It is not a de Polignac number, because 47398989 - 2¹ = 47398987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47398987) 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 7 ways as a sum of consecutive naturals, for example, 718134 + ... + 718199.

It is an arithmetic number, because the mean of its divisors is an integer number (8618004).

Almost surely, 2^47398989 is an apocalyptic number.

It is an amenable number.

47398989 is a deficient number, since it is larger than the sum of its proper divisors (21545043).

47398989 is a wasteful number, since it uses less digits than its factorization.

47398989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436347.

The product of its digits is 3919104, while the sum is 57.

The square root of 47398989 is about 6884.6923678549. The cubic root of 47398989 is about 361.9009247298.

The spelling of 47398989 in words is "forty-seven million, three hundred ninety-eight thousand, nine hundred eighty-nine".