1028353497 has 8 divisors (see below), whose sum is σ = 1371454656. Its totient is φ = 685410672.

The previous prime is 1028353493. The next prime is 1028353517. The reversal of 1028353497 is 7943538201.

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

It is not a de Polignac number, because 1028353497 - 2² = 1028353493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028353493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23493 + ... + 51074.

It is an arithmetic number, because the mean of its divisors is an integer number (171431832).

Almost surely, 2^1028353497 is an apocalyptic number.

It is an amenable number.

1028353497 is a deficient number, since it is larger than the sum of its proper divisors (343101159).

1028353497 is an equidigital number, since it uses as much as digits as its factorization.

1028353497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79167.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1028353497 is about 32067.9512441939. The cubic root of 1028353497 is about 1009.3632221140.

The spelling of 1028353497 in words is "one billion, twenty-eight million, three hundred fifty-three thousand, four hundred ninety-seven".