413949 has 4 divisors (see below), whose sum is σ = 551936. Its totient is φ = 275964.

The previous prime is 413923. The next prime is 413951. The reversal of 413949 is 949314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 413949 - 2¹⁵ = 381181 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413849) 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 in 3 ways as a sum of consecutive naturals, for example, 68989 + ... + 68994.

It is an arithmetic number, because the mean of its divisors is an integer number (137984).

2⁴¹³⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

413949 is a deficient number, since it is larger than the sum of its proper divisors (137987).

413949 is a wasteful number, since it uses less digits than its factorization.

413949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137986.

The product of its digits is 3888, while the sum is 30.

The square root of 413949 is about 643.3886850109. The cubic root of 413949 is about 74.5273385845.

The spelling of 413949 in words is "four hundred thirteen thousand, nine hundred forty-nine".