421932 has 24 divisors (see below), whose sum is σ = 1125376. Its totient is φ = 120528.

The previous prime is 421913. The next prime is 421943. The reversal of 421932 is 239124.

It is a super-2 number, since 2×421932² = 356053225248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 421899 and 421908.

It is an unprimeable number.

421932 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 in 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 2595.

2⁴²¹⁹³² is an apocalyptic number.

421932 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

421932 is an abundant number, since it is smaller than the sum of its proper divisors (703444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421932 is a wasteful number, since it uses less digits than its factorization.

421932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5035 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 421932 is about 649.5629299768. The cubic root of 421932 is about 75.0033776257.

It can be divided in two parts, 42193 and 2, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 421932 in words is "four hundred twenty-one thousand, nine hundred thirty-two".