647498060 has 24 divisors (see below), whose sum is σ = 1483359696. Its totient is φ = 235453760.

The previous prime is 647497967. The next prime is 647498069. The reversal of 647498060 is 60894746.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (647498069) 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, 1471367 + ... + 1471806.

It is an arithmetic number, because the mean of its divisors is an integer number (61806654).

Almost surely, 2^647498060 is an apocalyptic number.

It is an amenable number.

647498060 is an abundant number, since it is smaller than the sum of its proper divisors (835861636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647498060 is a wasteful number, since it uses less digits than its factorization.

647498060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943193 (or 2943191 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 647498060 is about 25445.9831800620. The cubic root of 647498060 is about 865.1262515220.

The spelling of 647498060 in words is "six hundred forty-seven million, four hundred ninety-eight thousand, sixty".