647006349 has 16 divisors (see below), whose sum is σ = 996459840. Its totient is φ = 369058560.

The previous prime is 647006341. The next prime is 647006357. The reversal of 647006349 is 943600746.

It is an interprime number because it is at equal distance from previous prime (647006341) and next prime (647006357).

It is not a de Polignac number, because 647006349 - 2³ = 647006341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647006341) 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 15 ways as a sum of consecutive naturals, for example, 576094 + ... + 577215.

It is an arithmetic number, because the mean of its divisors is an integer number (62278740).

Almost surely, 2^647006349 is an apocalyptic number.

It is an amenable number.

647006349 is a deficient number, since it is larger than the sum of its proper divisors (349453491).

647006349 is a wasteful number, since it uses less digits than its factorization.

647006349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153340.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 647006349 is about 25436.3194861206. The cubic root of 647006349 is about 864.9072033389.

The spelling of 647006349 in words is "six hundred forty-seven million, six thousand, three hundred forty-nine".