800403941 has 2 divisors, whose sum is σ = 800403942. Its totient is φ = 800403940.

The previous prime is 800403931. The next prime is 800404001. The reversal of 800403941 is 149304008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792647716 + 7756225 = 28154^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 800403941 - 2²⁶ = 733295077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800403931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400201970 + 400201971.

It is an arithmetic number, because the mean of its divisors is an integer number (400201971).

Almost surely, 2^800403941 is an apocalyptic number.

It is an amenable number.

800403941 is a deficient number, since it is larger than the sum of its proper divisors (1).

800403941 is an equidigital number, since it uses as much as digits as its factorization.

800403941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 800403941 is about 28291.4110818107. The cubic root of 800403941 is about 928.4739844356.

Adding to 800403941 its reverse (149304008), we get a palindrome (949707949).

The spelling of 800403941 in words is "eight hundred million, four hundred three thousand, nine hundred forty-one".