805672946 has 8 divisors (see below), whose sum is σ = 1301471724. Its totient is φ = 371849040.

The previous prime is 805672943. The next prime is 805672951. The reversal of 805672946 is 649276508.

It can be written as a sum of positive squares in 2 ways, for example, as 571735921 + 233937025 = 23911^2 + 15295^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 805672946.

It is not an unprimeable number, because it can be changed into a prime (805672943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15493685 + ... + 15493736.

Almost surely, 2^805672946 is an apocalyptic number.

805672946 is a deficient number, since it is larger than the sum of its proper divisors (495798778).

805672946 is a wasteful number, since it uses less digits than its factorization.

805672946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30987436.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 805672946 is about 28384.3785558183. The cubic root of 805672946 is about 930.5068905895.

The spelling of 805672946 in words is "eight hundred five million, six hundred seventy-two thousand, nine hundred forty-six".