48631389 has 8 divisors (see below), whose sum is σ = 64874880. Its totient is φ = 32404416.

The previous prime is 48631321. The next prime is 48631403. The reversal of 48631389 is 98313684.

It is a happy number.

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

It is not a de Polignac number, because 48631389 - 2⁹ = 48630877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48631389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48631589) 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, 7132 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (8109360).

Almost surely, 2^48631389 is an apocalyptic number.

It is an amenable number.

48631389 is a deficient number, since it is larger than the sum of its proper divisors (16243491).

48631389 is a wasteful number, since it uses less digits than its factorization.

48631389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259.

The product of its digits is 124416, while the sum is 42.

The square root of 48631389 is about 6973.6209389384. The cubic root of 48631389 is about 365.0106683565.

The spelling of 48631389 in words is "forty-eight million, six hundred thirty-one thousand, three hundred eighty-nine".