424993291 has 16 divisors (see below), whose sum is σ = 446957568. Its totient is φ = 403603200.

The previous prime is 424993271. The next prime is 424993297. The reversal of 424993291 is 192399424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 424993291 - 2¹¹ = 424991243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424993297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776680 + ... + 777226.

It is an arithmetic number, because the mean of its divisors is an integer number (27934848).

Almost surely, 2^424993291 is an apocalyptic number.

424993291 is a deficient number, since it is larger than the sum of its proper divisors (21964277).

424993291 is a wasteful number, since it uses less digits than its factorization.

424993291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 139968, while the sum is 43.

The square root of 424993291 is about 20615.3654102953. The cubic root of 424993291 is about 751.8433418907.

The spelling of 424993291 in words is "four hundred twenty-four million, nine hundred ninety-three thousand, two hundred ninety-one".