428314873 has 8 divisors (see below), whose sum is σ = 500886848. Its totient is φ = 358588944.

The previous prime is 428314837. The next prime is 428314877. The reversal of 428314873 is 378413824.

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

It is not a de Polignac number, because 428314873 - 2⁹ = 428314361 is a prime.

It is a super-2 number, since 2×428314873² = 366907260866012258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428314877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711186 + ... + 711787.

It is an arithmetic number, because the mean of its divisors is an integer number (62610856).

Almost surely, 2^428314873 is an apocalyptic number.

428314873 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

428314873 is a deficient number, since it is larger than the sum of its proper divisors (72571975).

428314873 is a wasteful number, since it uses less digits than its factorization.

428314873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423023.

The product of its digits is 129024, while the sum is 40.

The square root of 428314873 is about 20695.7694469184. The cubic root of 428314873 is about 753.7969659971.

The spelling of 428314873 in words is "four hundred twenty-eight million, three hundred fourteen thousand, eight hundred seventy-three".