424469409 has 48 divisors (see below), whose sum is σ = 712071360. Its totient is φ = 222929280.

The previous prime is 424469407. The next prime is 424469417. The reversal of 424469409 is 904964424.

It is not a de Polignac number, because 424469409 - 2¹ = 424469407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424469407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 743094 + ... + 743664.

It is an arithmetic number, because the mean of its divisors is an integer number (14834820).

Almost surely, 2^424469409 is an apocalyptic number.

424469409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

424469409 is a deficient number, since it is larger than the sum of its proper divisors (287601951).

424469409 is a wasteful number, since it uses less digits than its factorization.

424469409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 424469409 is about 20602.6553871097. The cubic root of 424469409 is about 751.5342867010.

The spelling of 424469409 in words is "four hundred twenty-four million, four hundred sixty-nine thousand, four hundred nine".