488493861 has 8 divisors (see below), whose sum is σ = 689638464. Its totient is φ = 306505920.

The previous prime is 488493847. The next prime is 488493883. The reversal of 488493861 is 168394884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 488493861 - 2⁵ = 488493829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 9578311 = 488493861 / (4 + 8 + 8 + 4 + 9 + 3 + 8 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488493821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4789105 + ... + 4789206.

It is an arithmetic number, because the mean of its divisors is an integer number (86204808).

Almost surely, 2^488493861 is an apocalyptic number.

It is an amenable number.

488493861 is a deficient number, since it is larger than the sum of its proper divisors (201144603).

488493861 is a wasteful number, since it uses less digits than its factorization.

488493861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578331.

The product of its digits is 1327104, while the sum is 51.

The square root of 488493861 is about 22101.8972262564. The cubic root of 488493861 is about 787.5649321113.

The spelling of 488493861 in words is "four hundred eighty-eight million, four hundred ninety-three thousand, eight hundred sixty-one".