807406243 has 8 divisors (see below), whose sum is σ = 922989312. Its totient is φ = 691883016.

The previous prime is 807406219. The next prime is 807406277. The reversal of 807406243 is 342604708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 807406243 - 2²⁵ = 773851811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 807406199 and 807406208.

It is not an unprimeable number, because it can be changed into a prime (807406643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19146 + ... + 44512.

It is an arithmetic number, because the mean of its divisors is an integer number (115373664).

Almost surely, 2^807406243 is an apocalyptic number.

807406243 is a deficient number, since it is larger than the sum of its proper divisors (115583069).

807406243 is a wasteful number, since it uses less digits than its factorization.

807406243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29921.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 807406243 is about 28414.8947384994. The cubic root of 807406243 is about 931.1736994495.

The spelling of 807406243 in words is "eight hundred seven million, four hundred six thousand, two hundred forty-three".