1028973946 has 64 divisors (see below), whose sum is σ = 2083656960. Its totient is φ = 368040960.

The previous prime is 1028973941. The next prime is 1028973989. The reversal of 1028973946 is 6493798201.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028973946.

It is not an unprimeable number, because it can be changed into a prime (1028973941) 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, 393090 + ... + 395698.

It is an arithmetic number, because the mean of its divisors is an integer number (32557140).

Almost surely, 2^1028973946 is an apocalyptic number.

1028973946 is an abundant number, since it is smaller than the sum of its proper divisors (1054683014).

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

1028973946 is a wasteful number, since it uses less digits than its factorization.

1028973946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1028973946 is about 32077.6237586265. The cubic root of 1028973946 is about 1009.5661784244.

The spelling of 1028973946 in words is "one billion, twenty-eight million, nine hundred seventy-three thousand, nine hundred forty-six".