424392397 has 8 divisors (see below), whose sum is σ = 498587040. Its totient is φ = 356133360.

The previous prime is 424392377. The next prime is 424392401. The reversal of 424392397 is 793293424.

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

It is not a de Polignac number, because 424392397 - 2¹⁵ = 424359629 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 (424392337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483747 + ... + 1484032.

It is an arithmetic number, because the mean of its divisors is an integer number (62323380).

Almost surely, 2^424392397 is an apocalyptic number.

It is an amenable number.

424392397 is a deficient number, since it is larger than the sum of its proper divisors (74194643).

424392397 is a wasteful number, since it uses less digits than its factorization.

424392397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967803.

The product of its digits is 326592, while the sum is 43.

The square root of 424392397 is about 20600.7863199442. The cubic root of 424392397 is about 751.4888333595.

The spelling of 424392397 in words is "four hundred twenty-four million, three hundred ninety-two thousand, three hundred ninety-seven".