1028636954 has 8 divisors (see below), whose sum is σ = 1543168020. Its totient is φ = 514247616.

The previous prime is 1028636933. The next prime is 1028636957. The reversal of 1028636954 is 4596368201.

It can be written as a sum of positive squares in 2 ways, for example, as 886669729 + 141967225 = 29777^2 + 11915^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1028636957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14909 + ... + 47744.

Almost surely, 2^1028636954 is an apocalyptic number.

1028636954 is a deficient number, since it is larger than the sum of its proper divisors (514531066).

1028636954 is an equidigital number, since it uses as much as digits as its factorization.

1028636954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70864.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 1028636954 is about 32072.3705703211. The cubic root of 1028636954 is about 1009.4559544243.

The spelling of 1028636954 in words is "one billion, twenty-eight million, six hundred thirty-six thousand, nine hundred fifty-four".