428093953 has 4 divisors (see below), whose sum is σ = 489250240. Its totient is φ = 366937668.

The previous prime is 428093951. The next prime is 428093971. The reversal of 428093953 is 359390824.

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 a cyclic number.

It is not a de Polignac number, because 428093953 - 2¹ = 428093951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428093951) 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, 30578133 + ... + 30578146.

It is an arithmetic number, because the mean of its divisors is an integer number (122312560).

Almost surely, 2^428093953 is an apocalyptic number.

It is an amenable number.

428093953 is a deficient number, since it is larger than the sum of its proper divisors (61156287).

428093953 is an equidigital number, since it uses as much as digits as its factorization.

428093953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61156286.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 428093953 is about 20690.4314358111. The cubic root of 428093953 is about 753.6673437062.

The spelling of 428093953 in words is "four hundred twenty-eight million, ninety-three thousand, nine hundred fifty-three".