424181399 has 8 divisors (see below), whose sum is σ = 450271728. Its totient is φ = 398217600.

The previous prime is 424181371. The next prime is 424181423. The reversal of 424181399 is 993181424.

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

It is a cyclic number.

It is not a de Polignac number, because 424181399 - 2¹⁶ = 424115863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424181299) 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, 24677 + ... + 38174.

It is an arithmetic number, because the mean of its divisors is an integer number (56283966).

Almost surely, 2^424181399 is an apocalyptic number.

424181399 is a deficient number, since it is larger than the sum of its proper divisors (26090329).

424181399 is a wasteful number, since it uses less digits than its factorization.

424181399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63265.

The product of its digits is 62208, while the sum is 41.

The square root of 424181399 is about 20595.6645680590. The cubic root of 424181399 is about 751.3642718081.

The spelling of 424181399 in words is "four hundred twenty-four million, one hundred eighty-one thousand, three hundred ninety-nine".