421048 has 8 divisors (see below), whose sum is σ = 789480.
Its totient is φ = 210520.
The previous prime is 421037. The next prime is 421049. The reversal of 421048 is 840124.
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (421049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26308 + ... + 26323.
It is an arithmetic number, because the mean of its divisors is an integer number (98685).
2421048 is an apocalyptic number.
It is an amenable number.
421048 is a deficient number, since it is larger than the sum of its proper divisors (368432).
421048 is a wasteful number, since it uses less digits than its factorization.
421048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52637 (or 52633 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 421048 is about 648.8821156420.
The cubic root of 421048 is about 74.9509605347.
The spelling of 421048 in words is "four hundred twenty-one thousand, forty-eight".