424905379 has 6 divisors (see below), whose sum is σ = 447363420. Its totient is φ = 402456816.

The previous prime is 424905359. The next prime is 424905391. The reversal of 424905379 is 973509424.

It is not a de Polignac number, because 424905379 - 2¹⁹ = 424381091 is a prime.

It is a super-2 number, since 2×424905379² = 361089162206267282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424905319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87487 + ... + 92215.

It is an arithmetic number, because the mean of its divisors is an integer number (74560570).

Almost surely, 2^424905379 is an apocalyptic number.

424905379 is a deficient number, since it is larger than the sum of its proper divisors (22458041).

424905379 is an frugal number, since it uses more digits than its factorization.

424905379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 424905379 is about 20613.2331040038. The cubic root of 424905379 is about 751.7914974567.

The spelling of 424905379 in words is "four hundred twenty-four million, nine hundred five thousand, three hundred seventy-nine".