421474 has 8 divisors (see below), whose sum is σ = 640080. Its totient is φ = 208116.

The previous prime is 421471. The next prime is 421483. The reversal of 421474 is 474124.

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

It is not an unprimeable number, because it can be changed into a prime (421471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (80010).

2⁴²¹⁴⁷⁴ is an apocalyptic number.

421474 is a deficient number, since it is larger than the sum of its proper divisors (218606).

421474 is a wasteful number, since it uses less digits than its factorization.

421474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624.

The product of its digits is 896, while the sum is 22.

The square root of 421474 is about 649.2102895056. The cubic root of 421474 is about 74.9762295040.

Adding to 421474 its reverse (474124), we get a palindrome (895598).

Subtracting 421474 from its reverse (474124), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 421474 in words is "four hundred twenty-one thousand, four hundred seventy-four", and thus it is an iban number.