1073556988 has 24 divisors (see below), whose sum is σ = 2148131552. Its totient is φ = 459877824.

The previous prime is 1073556983. The next prime is 1073557007. The reversal of 1073556988 is 8896553701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073556983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60370 + ... + 76102.

Almost surely, 2^1073556988 is an apocalyptic number.

It is an amenable number.

1073556988 is an abundant number, since it is smaller than the sum of its proper divisors (1074574564).

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

1073556988 is a wasteful number, since it uses less digits than its factorization.

1073556988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18181 (or 18179 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 1073556988 is about 32765.1795050783. The cubic root of 1073556988 is about 1023.9412388461.

The spelling of 1073556988 in words is "one billion, seventy-three million, five hundred fifty-six thousand, nine hundred eighty-eight".