8390243246 has 48 divisors (see below), whose sum is σ = 16047165312. Its totient is φ = 3253345200.

The previous prime is 8390243233. The next prime is 8390243249. The reversal of 8390243246 is 6423420938.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390243249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209015 + ... + 245901.

It is an arithmetic number, because the mean of its divisors is an integer number (334315944).

Almost surely, 2^8390243246 is an apocalyptic number.

8390243246 is a deficient number, since it is larger than the sum of its proper divisors (7656922066).

8390243246 is a wasteful number, since it uses less digits than its factorization.

8390243246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37125 (or 37118 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 8390243246 is about 91598.2709771314. The cubic root of 8390243246 is about 2032.0053667101.

The spelling of 8390243246 in words is "eight billion, three hundred ninety million, two hundred forty-three thousand, two hundred forty-six".