424281893 has 4 divisors (see below), whose sum is σ = 484893600. Its totient is φ = 363670188.

The previous prime is 424281889. The next prime is 424281917. The reversal of 424281893 is 398182424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 424281893 - 2² = 424281889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 424281893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424280893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30305843 + ... + 30305856.

It is an arithmetic number, because the mean of its divisors is an integer number (121223400).

Almost surely, 2^424281893 is an apocalyptic number.

It is an amenable number.

424281893 is a deficient number, since it is larger than the sum of its proper divisors (60611707).

424281893 is an equidigital number, since it uses as much as digits as its factorization.

424281893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60611706.

The product of its digits is 110592, while the sum is 41.

The square root of 424281893 is about 20598.1041117866. The cubic root of 424281893 is about 751.4236030590.

The spelling of 424281893 in words is "four hundred twenty-four million, two hundred eighty-one thousand, eight hundred ninety-three".