424917997 has 8 divisors (see below), whose sum is σ = 489445376. Its totient is φ = 361346832.

The previous prime is 424917989. The next prime is 424918001. The reversal of 424917997 is 799719424.

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

It is not a de Polignac number, because 424917997 - 2³ = 424917989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424917917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238098 + ... + 239875.

It is an arithmetic number, because the mean of its divisors is an integer number (61180672).

Almost surely, 2^424917997 is an apocalyptic number.

It is an amenable number.

424917997 is a deficient number, since it is larger than the sum of its proper divisors (64527379).

424917997 is a wasteful number, since it uses less digits than its factorization.

424917997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478107.

The product of its digits is 1143072, while the sum is 52.

The square root of 424917997 is about 20613.5391672561. The cubic root of 424917997 is about 751.7989391223.

The spelling of 424917997 in words is "four hundred twenty-four million, nine hundred seventeen thousand, nine hundred ninety-seven".