900838943 has 2 divisors, whose sum is σ = 900838944. Its totient is φ = 900838942.

The previous prime is 900838931. The next prime is 900838997. The reversal of 900838943 is 349838009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900838943 - 2⁶ = 900838879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900838894 and 900838903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900838643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450419471 + 450419472.

It is an arithmetic number, because the mean of its divisors is an integer number (450419472).

Almost surely, 2^900838943 is an apocalyptic number.

900838943 is a deficient number, since it is larger than the sum of its proper divisors (1).

900838943 is an equidigital number, since it uses as much as digits as its factorization.

900838943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 900838943 is about 30013.9791264004. The cubic root of 900838943 is about 965.7892879431.

The spelling of 900838943 in words is "nine hundred million, eight hundred thirty-eight thousand, nine hundred forty-three".