900990347 has 2 divisors, whose sum is σ = 900990348. Its totient is φ = 900990346.

The previous prime is 900990323. The next prime is 900990371. The reversal of 900990347 is 743099009.

It is a balanced prime because it is at equal distance from previous prime (900990323) and next prime (900990371).

It is a cyclic number.

It is not a de Polignac number, because 900990347 - 2⁶ = 900990283 is a prime.

It is not a weakly prime, because it can be changed into another prime (900992347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450495173 + 450495174.

It is an arithmetic number, because the mean of its divisors is an integer number (450495174).

Almost surely, 2^900990347 is an apocalyptic number.

900990347 is a deficient number, since it is larger than the sum of its proper divisors (1).

900990347 is an equidigital number, since it uses as much as digits as its factorization.

900990347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 900990347 is about 30016.5012451485. The cubic root of 900990347 is about 965.8433916469.

The spelling of 900990347 in words is "nine hundred million, nine hundred ninety thousand, three hundred forty-seven".