487301391 has 24 divisors (see below), whose sum is σ = 737358336. Its totient is φ = 309526800.

The previous prime is 487301389. The next prime is 487301393. The reversal of 487301391 is 193103784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487301389) and next prime (487301393).

It is not a de Polignac number, because 487301391 - 2¹ = 487301389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487301393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49966 + ... + 58916.

It is an arithmetic number, because the mean of its divisors is an integer number (30723264).

Almost surely, 2^487301391 is an apocalyptic number.

487301391 is a deficient number, since it is larger than the sum of its proper divisors (250056945).

487301391 is a wasteful number, since it uses less digits than its factorization.

487301391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243 (or 9240 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 487301391 is about 22074.9040994519. The cubic root of 487301391 is about 786.9235642546.

The spelling of 487301391 in words is "four hundred eighty-seven million, three hundred one thousand, three hundred ninety-one".