1033989997 has 16 divisors (see below), whose sum is σ = 1122992640. Its totient is φ = 948229632.

The previous prime is 1033989991. The next prime is 1033990007. The reversal of 1033989997 is 7999893301.

It is a cyclic number.

It is not a de Polignac number, because 1033989997 - 2¹¹ = 1033987949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033989991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348673 + ... + 351625.

It is an arithmetic number, because the mean of its divisors is an integer number (70187040).

Almost surely, 2^1033989997 is an apocalyptic number.

1033989997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1033989997 is a deficient number, since it is larger than the sum of its proper divisors (89002643).

1033989997 is a wasteful number, since it uses less digits than its factorization.

1033989997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The square root of 1033989997 is about 32155.7148419997. The cubic root of 1033989997 is about 1011.2040005601.

The spelling of 1033989997 in words is "one billion, thirty-three million, nine hundred eighty-nine thousand, nine hundred ninety-seven".