488240931 has 4 divisors (see below), whose sum is σ = 650987912. Its totient is φ = 325493952.

The previous prime is 488240927. The next prime is 488240947. The reversal of 488240931 is 139042884.

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

It is not a de Polignac number, because 488240931 - 2² = 488240927 is a prime.

It is a super-2 number, since 2×488240931² = 476758413407493522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488240931.

It is not an unprimeable number, because it can be changed into a prime (488240971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81373486 + ... + 81373491.

It is an arithmetic number, because the mean of its divisors is an integer number (162746978).

Almost surely, 2^488240931 is an apocalyptic number.

488240931 is a deficient number, since it is larger than the sum of its proper divisors (162746981).

488240931 is a wasteful number, since it uses less digits than its factorization.

488240931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162746980.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 488240931 is about 22096.1745784197. The cubic root of 488240931 is about 787.4289814515.

The spelling of 488240931 in words is "four hundred eighty-eight million, two hundred forty thousand, nine hundred thirty-one".