1028356974 has 12 divisors (see below), whose sum is σ = 2228106816. Its totient is φ = 342785652.

The previous prime is 1028356951. The next prime is 1028356993. The reversal of 1028356974 is 4796538201.

1028356974 is a `hidden beast` number, since 1 + 0 + 2 + 83 + 569 + 7 + 4 = 666.

1028356974 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1028356974 is strictly pandigital in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28565454 + ... + 28565489.

It is an arithmetic number, because the mean of its divisors is an integer number (185675568).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1028356974 = 2056713948, but 3⋅1028356974 = 3085070922 is not.

Almost surely, 2^1028356974 is an apocalyptic number.

1028356974 is an abundant number, since it is smaller than the sum of its proper divisors (1199749842).

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

1028356974 is a wasteful number, since it uses less digits than its factorization.

1028356974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57130951 (or 57130948 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1028356974 is about 32068.0054571531. The cubic root of 1028356974 is about 1009.3643597098.

The spelling of 1028356974 in words is "one billion, twenty-eight million, three hundred fifty-six thousand, nine hundred seventy-four".