864737 has 2 divisors, whose sum is σ = 864738. Its totient is φ = 864736.

The previous prime is 864733. The next prime is 864757. The reversal of 864737 is 737468.

864737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678976 + 185761 = 824^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 864737 - 2² = 864733 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 8⁵ + 6⁵ + 7³ + 4³ + 3⁵ + 7⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 864697 and 864706.

It is not a weakly prime, because it can be changed into another prime (864733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432368 + 432369.

It is an arithmetic number, because the mean of its divisors is an integer number (432369).

2⁸⁶⁴⁷³⁷ is an apocalyptic number.

It is an amenable number.

864737 is a deficient number, since it is larger than the sum of its proper divisors (1).

864737 is an equidigital number, since it uses as much as digits as its factorization.

864737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 864737 is about 929.9123614621. The cubic root of 864737 is about 95.2711367774.

The spelling of 864737 in words is "eight hundred sixty-four thousand, seven hundred thirty-seven".