1428106317 has 32 divisors (see below), whose sum is σ = 2186873856. Its totient is φ = 820512000.

The previous prime is 1428106313. The next prime is 1428106321. The reversal of 1428106317 is 7136018241.

It is an interprime number because it is at equal distance from previous prime (1428106313) and next prime (1428106321).

It is not a de Polignac number, because 1428106317 - 2² = 1428106313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428106313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77442 + ... + 94092.

It is an arithmetic number, because the mean of its divisors is an integer number (68339808).

Almost surely, 2^1428106317 is an apocalyptic number.

It is an amenable number.

1428106317 is a deficient number, since it is larger than the sum of its proper divisors (758767539).

1428106317 is a wasteful number, since it uses less digits than its factorization.

1428106317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1428106317 is about 37790.2939522836. The cubic root of 1428106317 is about 1126.1256399614.

The spelling of 1428106317 in words is "one billion, four hundred twenty-eight million, one hundred six thousand, three hundred seventeen".