647367 has 16 divisors (see below), whose sum is σ = 1021440. Its totient is φ = 356832.

The previous prime is 647363. The next prime is 647371. The reversal of 647367 is 763746.

647367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (647363) and next prime (647371).

It is not a de Polignac number, because 647367 - 2² = 647363 is a prime.

647367 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647367.

It is not an unprimeable number, because it can be changed into a prime (647363) 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, 78 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2⁶⁴⁷³⁶⁷ is an apocalyptic number.

647367 is a deficient number, since it is larger than the sum of its proper divisors (374073).

647367 is a wasteful number, since it uses less digits than its factorization.

647367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 21168, while the sum is 33.

The square root of 647367 is about 804.5912005485. The cubic root of 647367 is about 86.5067877552.

The spelling of 647367 in words is "six hundred forty-seven thousand, three hundred sixty-seven".