409958 has 4 divisors (see below), whose sum is σ = 614940. Its totient is φ = 204978.

The previous prime is 409951. The next prime is 409961. The reversal of 409958 is 859904.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 409958.

It is not an unprimeable number, because it can be changed into a prime (409951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102488 + ... + 102491.

It is an arithmetic number, because the mean of its divisors is an integer number (153735).

2⁴⁰⁹⁹⁵⁸ is an apocalyptic number.

409958 is a deficient number, since it is larger than the sum of its proper divisors (204982).

409958 is a wasteful number, since it uses less digits than its factorization.

409958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204981.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 409958 is about 640.2796264133. The cubic root of 409958 is about 74.2870516102.

The spelling of 409958 in words is "four hundred nine thousand, nine hundred fifty-eight".