415949 has 2 divisors, whose sum is σ = 415950. Its totient is φ = 415948.

The previous prime is 415937. The next prime is 415951. The reversal of 415949 is 949514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413449 + 2500 = 643^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415949 is a prime.

It is a Sophie Germain prime.

Together with 415951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207974 + 207975.

It is an arithmetic number, because the mean of its divisors is an integer number (207975).

2⁴¹⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

415949 is a deficient number, since it is larger than the sum of its proper divisors (1).

415949 is an equidigital number, since it uses as much as digits as its factorization.

415949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 415949 is about 644.9410825804. The cubic root of 415949 is about 74.6471724016.

The spelling of 415949 in words is "four hundred fifteen thousand, nine hundred forty-nine".