864747246 has 32 divisors (see below), whose sum is σ = 1888115328. Its totient is φ = 261851040.

The previous prime is 864747241. The next prime is 864747251. The reversal of 864747246 is 642747468.

It is an interprime number because it is at equal distance from previous prime (864747241) and next prime (864747251).

It is a junction number, because it is equal to n+sod(n) for n = 864747195 and 864747204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864747241) 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, 103356 + ... + 111408.

It is an arithmetic number, because the mean of its divisors is an integer number (59003604).

Almost surely, 2^864747246 is an apocalyptic number.

864747246 is an abundant number, since it is smaller than the sum of its proper divisors (1023368082).

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

864747246 is a wasteful number, since it uses less digits than its factorization.

864747246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696.

The product of its digits is 1806336, while the sum is 48.

The square root of 864747246 is about 29406.5850788561. The cubic root of 864747246 is about 952.7151305531.

The spelling of 864747246 in words is "eight hundred sixty-four million, seven hundred forty-seven thousand, two hundred forty-six".