428168375 has 16 divisors (see below), whose sum is σ = 565789536. Its totient is φ = 322384000.

The previous prime is 428168303. The next prime is 428168393. The reversal of 428168375 is 573861824.

It is not a de Polignac number, because 428168375 - 2⁸ = 428168119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98621 + ... + 102870.

It is an arithmetic number, because the mean of its divisors is an integer number (35361846).

Almost surely, 2^428168375 is an apocalyptic number.

428168375 is a deficient number, since it is larger than the sum of its proper divisors (137621161).

428168375 is a wasteful number, since it uses less digits than its factorization.

428168375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201523 (or 201513 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 428168375 is about 20692.2298218438. The cubic root of 428168375 is about 753.7110149460.

The spelling of 428168375 in words is "four hundred twenty-eight million, one hundred sixty-eight thousand, three hundred seventy-five".