647653106 has 16 divisors (see below), whose sum is σ = 1002488640. Its totient is φ = 313573680.

The previous prime is 647653093. The next prime is 647653109. The reversal of 647653106 is 601356746.

It is a happy number.

It is a super-2 number, since 2×647653106² = 838909091422894472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 647653106.

It is not an unprimeable number, because it can be changed into a prime (647653109) 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, 5126 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (62655540).

Almost surely, 2^647653106 is an apocalyptic number.

647653106 is a deficient number, since it is larger than the sum of its proper divisors (354835534).

647653106 is a wasteful number, since it uses less digits than its factorization.

647653106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41729.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 647653106 is about 25449.0295689246. The cubic root of 647653106 is about 865.1952986580.

The spelling of 647653106 in words is "six hundred forty-seven million, six hundred fifty-three thousand, one hundred six".