949391 has 2 divisors, whose sum is σ = 949392. Its totient is φ = 949390.

The previous prime is 949387. The next prime is 949409. The reversal of 949391 is 193949.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 949391 - 2² = 949387 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949381) 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, 474695 + 474696.

It is an arithmetic number, because the mean of its divisors is an integer number (474696).

2⁹⁴⁹³⁹¹ is an apocalyptic number.

949391 is a deficient number, since it is larger than the sum of its proper divisors (1).

949391 is an equidigital number, since it uses as much as digits as its factorization.

949391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 949391 is about 974.3669739888. The cubic root of 949391 is about 98.2837465844.

The spelling of 949391 in words is "nine hundred forty-nine thousand, three hundred ninety-one".