488397881 has 4 divisors (see below), whose sum is σ = 493139712. Its totient is φ = 483656052.

The previous prime is 488397851. The next prime is 488397883. The reversal of 488397881 is 188793884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488397881 is a prime.

It is a super-2 number, since 2×488397881² = 477064980330580322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488397883) 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, 2370761 + ... + 2370966.

It is an arithmetic number, because the mean of its divisors is an integer number (123284928).

Almost surely, 2^488397881 is an apocalyptic number.

It is an amenable number.

488397881 is a deficient number, since it is larger than the sum of its proper divisors (4741831).

488397881 is a wasteful number, since it uses less digits than its factorization.

488397881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741830.

The product of its digits is 3096576, while the sum is 56.

The square root of 488397881 is about 22099.7258127788. The cubic root of 488397881 is about 787.5133480899.

The spelling of 488397881 in words is "four hundred eighty-eight million, three hundred ninety-seven thousand, eight hundred eighty-one".