804940957 has 8 divisors (see below), whose sum is σ = 827241912. Its totient is φ = 782668800.

The previous prime is 804940921. The next prime is 804940963. The reversal of 804940957 is 759049408.

It can be written as a sum of positive squares in 4 ways, for example, as 98922916 + 706018041 = 9946^2 + 26571^2 .

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 804940957 - 2¹¹ = 804938909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804940057) 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, 57357 + ... + 69997.

It is an arithmetic number, because the mean of its divisors is an integer number (103405239).

Almost surely, 2^804940957 is an apocalyptic number.

It is an amenable number.

804940957 is a deficient number, since it is larger than the sum of its proper divisors (22300955).

804940957 is a wasteful number, since it uses less digits than its factorization.

804940957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14399.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 804940957 is about 28371.4814029863. The cubic root of 804940957 is about 930.2250031760.

The spelling of 804940957 in words is "eight hundred four million, nine hundred forty thousand, nine hundred fifty-seven".