424211405 has 8 divisors (see below), whose sum is σ = 512940384. Its totient is φ = 336778000.

The previous prime is 424211363. The next prime is 424211419. The reversal of 424211405 is 504112424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424211405 - 2⁶ = 424211341 is a prime.

It is a super-2 number, since 2×424211405² = 359910632264148050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323171 + ... + 324480.

It is an arithmetic number, because the mean of its divisors is an integer number (64117548).

Almost surely, 2^424211405 is an apocalyptic number.

It is an amenable number.

424211405 is a deficient number, since it is larger than the sum of its proper divisors (88728979).

424211405 is a wasteful number, since it uses less digits than its factorization.

424211405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647787.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 424211405 is about 20596.3930094568. The cubic root of 424211405 is about 751.3819882103.

Adding to 424211405 its reverse (504112424), we get a palindrome (928323829).

The spelling of 424211405 in words is "four hundred twenty-four million, two hundred eleven thousand, four hundred five".