1028434971 has 8 divisors (see below), whose sum is σ = 1379659840. Its totient is φ = 681416712.

The previous prime is 1028434969. The next prime is 1028434993. The reversal of 1028434971 is 1794348201.

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

It is not a de Polignac number, because 1028434971 - 2¹ = 1028434969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028434471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051081 + ... + 1052058.

It is an arithmetic number, because the mean of its divisors is an integer number (172457480).

Almost surely, 2^1028434971 is an apocalyptic number.

1028434971 is a deficient number, since it is larger than the sum of its proper divisors (351224869).

1028434971 is a wasteful number, since it uses less digits than its factorization.

1028434971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103305.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1028434971 is about 32069.2215527599. The cubic root of 1028434971 is about 1009.3898778919.

The spelling of 1028434971 in words is "one billion, twenty-eight million, four hundred thirty-four thousand, nine hundred seventy-one".