1027816 has 8 divisors (see below), whose sum is σ = 1927170. Its totient is φ = 513904.

The previous prime is 1027799. The next prime is 1027841. The reversal of 1027816 is 6187201.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 125316 = 950^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64231 + ... + 64246.

2^1027816 is an apocalyptic number.

It is an amenable number.

1027816 is a deficient number, since it is larger than the sum of its proper divisors (899354).

1027816 is a wasteful number, since it uses less digits than its factorization.

1027816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128483 (or 128479 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1027816 is about 1013.8126059583. The cubic root of 1027816 is about 100.9187334395.

The spelling of 1027816 in words is "one million, twenty-seven thousand, eight hundred sixteen".