945949 has 2 divisors, whose sum is σ = 945950. Its totient is φ = 945948.

The previous prime is 945943. The next prime is 945961. The reversal of 945949 is 949549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 257049 = 830^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 945949 - 2³ = 945941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472974 + 472975.

It is an arithmetic number, because the mean of its divisors is an integer number (472975).

2⁹⁴⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

945949 is a deficient number, since it is larger than the sum of its proper divisors (1).

945949 is an equidigital number, since it uses as much as digits as its factorization.

945949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 945949 is about 972.5990952083. The cubic root of 945949 is about 98.1648274367.

Subtracting 945949 from its reverse (949549), we obtain a square (3600 = 60²).

The spelling of 945949 in words is "nine hundred forty-five thousand, nine hundred forty-nine".