48998391 has 8 divisors (see below), whose sum is σ = 70356720. Its totient is φ = 30152832.

The previous prime is 48998387. The next prime is 48998413. The reversal of 48998391 is 19389984.

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 48998391 - 2² = 48998387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48998381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628146 + ... + 628223.

It is an arithmetic number, because the mean of its divisors is an integer number (8794590).

Almost surely, 2^48998391 is an apocalyptic number.

48998391 is a deficient number, since it is larger than the sum of its proper divisors (21358329).

48998391 is a wasteful number, since it uses less digits than its factorization.

48998391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256385.

The product of its digits is 559872, while the sum is 51.

The square root of 48998391 is about 6999.8850704851. The cubic root of 48998391 is about 365.9265656368.

The spelling of 48998391 in words is "forty-eight million, nine hundred ninety-eight thousand, three hundred ninety-one".