420958 has 8 divisors (see below), whose sum is σ = 637560. Its totient is φ = 208440.

The previous prime is 420941. The next prime is 420967. The reversal of 420958 is 859024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 748 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (79695).

2⁴²⁰⁹⁵⁸ is an apocalyptic number.

420958 is a deficient number, since it is larger than the sum of its proper divisors (216602).

420958 is a wasteful number, since it uses less digits than its factorization.

420958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 420958 is about 648.8127618967. The cubic root of 420958 is about 74.9456198394.

It can be divided in two parts, 420 and 958, that added together give a triangular number (1378 = T₅₂).

The spelling of 420958 in words is "four hundred twenty thousand, nine hundred fifty-eight".