488287397 has 4 divisors (see below), whose sum is σ = 525847980. Its totient is φ = 450726816.

The previous prime is 488287391. The next prime is 488287399. The reversal of 488287397 is 793782884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322238401 + 166048996 = 17951^2 + 12886^2 .

It is a cyclic number.

It is not a de Polignac number, because 488287397 - 2⁶ = 488287333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488287391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18780272 + ... + 18780297.

It is an arithmetic number, because the mean of its divisors is an integer number (131461995).

Almost surely, 2^488287397 is an apocalyptic number.

It is an amenable number.

488287397 is a deficient number, since it is larger than the sum of its proper divisors (37560583).

488287397 is a wasteful number, since it uses less digits than its factorization.

488287397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37560582.

The product of its digits is 5419008, while the sum is 56.

The square root of 488287397 is about 22097.2260023741. The cubic root of 488287397 is about 787.4539605906.

The spelling of 488287397 in words is "four hundred eighty-eight million, two hundred eighty-seven thousand, three hundred ninety-seven".