9487260391 has 24 divisors (see below), whose sum is σ = 11354639856. Its totient is φ = 7898083200.

The previous prime is 9487260379. The next prime is 9487260403. The reversal of 9487260391 is 1930627849.

It is an interprime number because it is at equal distance from previous prime (9487260379) and next prime (9487260403).

It is not a de Polignac number, because 9487260391 - 2⁹ = 9487259879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9487260791) 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 23 ways as a sum of consecutive naturals, for example, 1085260 + ... + 1093966.

It is an arithmetic number, because the mean of its divisors is an integer number (473109994).

Almost surely, 2^9487260391 is an apocalyptic number.

9487260391 is a deficient number, since it is larger than the sum of its proper divisors (1867379465).

9487260391 is a wasteful number, since it uses less digits than its factorization.

9487260391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359 (or 9352 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 9487260391 is about 97402.5687084278. The cubic root of 9487260391 is about 2116.9646539556.

The spelling of 9487260391 in words is "nine billion, four hundred eighty-seven million, two hundred sixty thousand, three hundred ninety-one".