900234397 has 2 divisors, whose sum is σ = 900234398. Its totient is φ = 900234396.

The previous prime is 900234373. The next prime is 900234437. The reversal of 900234397 is 793432009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892455876 + 7778521 = 29874^2 + 2789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900234397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900234997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450117198 + 450117199.

It is an arithmetic number, because the mean of its divisors is an integer number (450117199).

Almost surely, 2^900234397 is an apocalyptic number.

It is an amenable number.

900234397 is a deficient number, since it is larger than the sum of its proper divisors (1).

900234397 is an equidigital number, since it uses as much as digits as its factorization.

900234397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 900234397 is about 30003.9063623389. The cubic root of 900234397 is about 965.5731950395.

The spelling of 900234397 in words is "nine hundred million, two hundred thirty-four thousand, three hundred ninety-seven".