428097845 has 8 divisors (see below), whose sum is σ = 587105664. Its totient is φ = 293552784.

The previous prime is 428097841. The next prime is 428097853. The reversal of 428097845 is 548790824.

It is a happy number.

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

It is not a de Polignac number, because 428097845 - 2² = 428097841 is a prime.

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 428097845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428097841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6115649 + ... + 6115718.

It is an arithmetic number, because the mean of its divisors is an integer number (73388208).

Almost surely, 2^428097845 is an apocalyptic number.

It is an amenable number.

428097845 is a deficient number, since it is larger than the sum of its proper divisors (159007819).

428097845 is a wasteful number, since it uses less digits than its factorization.

428097845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231379.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 428097845 is about 20690.5254887352. The cubic root of 428097845 is about 753.6696276787.

The spelling of 428097845 in words is "four hundred twenty-eight million, ninety-seven thousand, eight hundred forty-five".