1028156346 has 24 divisors (see below), whose sum is σ = 2545911264. Its totient is φ = 293758920.

The previous prime is 1028156341. The next prime is 1028156351. The reversal of 1028156346 is 6436518201.

It is a happy number.

1028156346 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 15 + 634 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1028156341) and next prime (1028156351).

It is a self number, because there is not a number n which added to its sum of digits gives 1028156346.

It is not an unprimeable number, because it can be changed into a prime (1028156341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4079860 + ... + 4080111.

It is an arithmetic number, because the mean of its divisors is an integer number (106079636).

Almost surely, 2^1028156346 is an apocalyptic number.

1028156346 is an abundant number, since it is smaller than the sum of its proper divisors (1517754918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028156346 is a wasteful number, since it uses less digits than its factorization.

1028156346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159986 (or 8159983 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1028156346 is about 32064.8771399486. The cubic root of 1028156346 is about 1009.2987145662.

The spelling of 1028156346 in words is "one billion, twenty-eight million, one hundred fifty-six thousand, three hundred forty-six".