949409 has 2 divisors, whose sum is σ = 949410. Its totient is φ = 949408.

The previous prime is 949391. The next prime is 949423. The reversal of 949409 is 904949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555025 + 394384 = 745^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 949409 - 2⁸ = 949153 is a prime.

It is not a weakly prime, because it can be changed into another prime (949439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474704 + 474705.

It is an arithmetic number, because the mean of its divisors is an integer number (474705).

2⁹⁴⁹⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

949409 is a deficient number, since it is larger than the sum of its proper divisors (1).

949409 is an equidigital number, since it uses as much as digits as its factorization.

949409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 949409 is about 974.3762107112. The cubic root of 949409 is about 98.2843677181.

It can be divided in two parts, 94940 and 9, that added together give a palindrome (94949).

The spelling of 949409 in words is "nine hundred forty-nine thousand, four hundred nine".