428673083 has 4 divisors (see below), whose sum is σ = 440258880. Its totient is φ = 417087288.

The previous prime is 428673073. The next prime is 428673097. The reversal of 428673083 is 380376824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428673083 - 2⁶ = 428673019 is a prime.

It is a super-2 number, since 2×428673083² = 367521224177449778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428673083.

It is not an unprimeable number, because it can be changed into a prime (428673013) 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 3 ways as a sum of consecutive naturals, for example, 5792843 + ... + 5792916.

It is an arithmetic number, because the mean of its divisors is an integer number (110064720).

Almost surely, 2^428673083 is an apocalyptic number.

428673083 is a deficient number, since it is larger than the sum of its proper divisors (11585797).

428673083 is a wasteful number, since it uses less digits than its factorization.

428673083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585796.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 428673083 is about 20704.4218224031. The cubic root of 428673083 is about 754.0070469360.

The spelling of 428673083 in words is "four hundred twenty-eight million, six hundred seventy-three thousand, eighty-three".