420003424 has 12 divisors (see below), whose sum is σ = 826881804. Its totient is φ = 210001696.

The previous prime is 420003347. The next prime is 420003431. The reversal of 420003424 is 424300024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562522 + ... + 6562585.

It is an arithmetic number, because the mean of its divisors is an integer number (68906817).

Almost surely, 2^420003424 is an apocalyptic number.

It is an amenable number.

420003424 is a deficient number, since it is larger than the sum of its proper divisors (406878380).

420003424 is a wasteful number, since it uses less digits than its factorization.

420003424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125117 (or 13125109 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420003424 is about 20493.9850687952. The cubic root of 420003424 is about 748.8892737877.

Adding to 420003424 its reverse (424300024), we get a palindrome (844303448).

The spelling of 420003424 in words is "four hundred twenty million, three thousand, four hundred twenty-four".