421076 has 6 divisors (see below), whose sum is σ = 736890. Its totient is φ = 210536.

The previous prime is 421049. The next prime is 421079. The reversal of 421076 is 670124.

It can be written as a sum of positive squares in only one way, i.e., 276676 + 144400 = 526^2 + 380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421079) by changing a digit.

421076 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52631 + ... + 52638.

It is an arithmetic number, because the mean of its divisors is an integer number (122815).

2⁴²¹⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

421076 is a deficient number, since it is larger than the sum of its proper divisors (315814).

421076 is a wasteful number, since it uses less digits than its factorization.

421076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105273 (or 105271 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 421076 is about 648.9036908510. The cubic root of 421076 is about 74.9526219291.

The spelling of 421076 in words is "four hundred twenty-one thousand, seventy-six".