424406424 has 32 divisors (see below), whose sum is σ = 1142633520. Its totient is φ = 130586496.

The previous prime is 424406413. The next prime is 424406429. The reversal of 424406424 is 424604424.

It is a super-3 number, since 3×424406424³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424406391 and 424406400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424406429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679827 + ... + 680450.

Almost surely, 2^424406424 is an apocalyptic number.

It is an amenable number.

424406424 is an abundant number, since it is smaller than the sum of its proper divisors (718227096).

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

424406424 is a wasteful number, since it uses less digits than its factorization.

424406424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360299 (or 1360295 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 424406424 is about 20601.1267653010. The cubic root of 424406424 is about 751.4971126609.

The spelling of 424406424 in words is "four hundred twenty-four million, four hundred six thousand, four hundred twenty-four".