421204324 has 6 divisors (see below), whose sum is σ = 737107574. Its totient is φ = 210602160.

The previous prime is 421204309. The next prime is 421204349. The reversal of 421204324 is 423402124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 419840100 + 1364224 = 20490^2 + 1168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421204295 and 421204304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52650537 + ... + 52650544.

Almost surely, 2^421204324 is an apocalyptic number.

It is an amenable number.

421204324 is a deficient number, since it is larger than the sum of its proper divisors (315903250).

421204324 is a wasteful number, since it uses less digits than its factorization.

421204324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105301085 (or 105301083 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 421204324 is about 20523.2629959273. The cubic root of 421204324 is about 749.6023515753.

Adding to 421204324 its reverse (423402124), we get a palindrome (844606448).

The spelling of 421204324 in words is "four hundred twenty-one million, two hundred four thousand, three hundred twenty-four".