48287391 has 12 divisors (see below), whose sum is σ = 64895112. Its totient is φ = 31937568.

The previous prime is 48287389. The next prime is 48287401. The reversal of 48287391 is 19378284.

It is not a de Polignac number, because 48287391 - 2¹ = 48287389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48282391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73621 + ... + 74273.

It is an arithmetic number, because the mean of its divisors is an integer number (5407926).

Almost surely, 2^48287391 is an apocalyptic number.

48287391 is a deficient number, since it is larger than the sum of its proper divisors (16607721).

48287391 is an equidigital number, since it uses as much as digits as its factorization.

48287391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 813 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 48287391 is about 6948.9129365678. The cubic root of 48287391 is about 364.1479870632.

The spelling of 48287391 in words is "forty-eight million, two hundred eighty-seven thousand, three hundred ninety-one".