647362434 has 32 divisors (see below), whose sum is σ = 1340246016. Its totient is φ = 208293120.

The previous prime is 647362427. The next prime is 647362481. The reversal of 647362434 is 434263746.

It is a junction number, because it is equal to n+sod(n) for n = 647362392 and 647362401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16714 + ... + 39674.

It is an arithmetic number, because the mean of its divisors is an integer number (41882688).

Almost surely, 2^647362434 is an apocalyptic number.

647362434 is an abundant number, since it is smaller than the sum of its proper divisors (692883582).

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

647362434 is a wasteful number, since it uses less digits than its factorization.

647362434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130.

The product of its digits is 290304, while the sum is 39.

The square root of 647362434 is about 25443.3180619195. The cubic root of 647362434 is about 865.0658437187.

The spelling of 647362434 in words is "six hundred forty-seven million, three hundred sixty-two thousand, four hundred thirty-four".