647103340 has 48 divisors (see below), whose sum is σ = 1465305408. Its totient is φ = 238627584.

The previous prime is 647103337. The next prime is 647103343. The reversal of 647103340 is 43301746.

It is an interprime number because it is at equal distance from previous prime (647103337) and next prime (647103343).

It is a junction number, because it is equal to n+sod(n) for n = 647103299 and 647103308.

It is not an unprimeable number, because it can be changed into a prime (647103343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400374 + ... + 401986.

It is an arithmetic number, because the mean of its divisors is an integer number (30527196).

Almost surely, 2^647103340 is an apocalyptic number.

It is an amenable number.

647103340 is an abundant number, since it is smaller than the sum of its proper divisors (818202068).

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

647103340 is a wasteful number, since it uses less digits than its factorization.

647103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 647103340 is about 25438.2259601569. The cubic root of 647103340 is about 864.9504198252.

The spelling of 647103340 in words is "six hundred forty-seven million, one hundred three thousand, three hundred forty".