1026894992 has 10 divisors (see below), whose sum is σ = 1989609078. Its totient is φ = 513447488.

The previous prime is 1026894991. The next prime is 1026895019. The reversal of 1026894992 is 2994986201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 798401536 + 228493456 = 28256^2 + 15116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1026894992.

It is not an unprimeable number, because it can be changed into a prime (1026894991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32090453 + ... + 32090484.

Almost surely, 2^1026894992 is an apocalyptic number.

It is an amenable number.

1026894992 is a deficient number, since it is larger than the sum of its proper divisors (962714086).

1026894992 is an equidigital number, since it uses as much as digits as its factorization.

1026894992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64180945 (or 64180939 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1026894992 is about 32045.2023242170. The cubic root of 1026894992 is about 1008.8858059194.

The spelling of 1026894992 in words is "one billion, twenty-six million, eight hundred ninety-four thousand, nine hundred ninety-two".