488691745 has 8 divisors (see below), whose sum is σ = 602279784. Its totient is φ = 380386944.

The previous prime is 488691743. The next prime is 488691757. The reversal of 488691745 is 547196884.

It can be written as a sum of positive squares in 4 ways, for example, as 21613201 + 467078544 = 4649^2 + 21612^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 488691745 - 2¹ = 488691743 is a prime.

It is a super-2 number, since 2×488691745² = 477639243262290050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 488691692 and 488691701.

It is not an unprimeable number, because it can be changed into a prime (488691743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320604 + ... + 1320973.

It is an arithmetic number, because the mean of its divisors is an integer number (75284973).

Almost surely, 2^488691745 is an apocalyptic number.

It is an amenable number.

488691745 is a deficient number, since it is larger than the sum of its proper divisors (113588039).

488691745 is a wasteful number, since it uses less digits than its factorization.

488691745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641619.

The product of its digits is 1935360, while the sum is 52.

The square root of 488691745 is about 22106.3734022566. The cubic root of 488691745 is about 787.6712626593.

The spelling of 488691745 in words is "four hundred eighty-eight million, six hundred ninety-one thousand, seven hundred forty-five".