405958 has 16 divisors (see below), whose sum is σ = 705024. Its totient is φ = 171720.

The previous prime is 405949. The next prime is 405959. The reversal of 405958 is 859504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (44064).

2⁴⁰⁵⁹⁵⁸ is an apocalyptic number.

405958 is a deficient number, since it is larger than the sum of its proper divisors (299066).

405958 is a wasteful number, since it uses less digits than its factorization.

405958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 405958 is about 637.1483343775. The cubic root of 405958 is about 74.0446528652.

The spelling of 405958 in words is "four hundred five thousand, nine hundred fifty-eight".