996238749 has 32 divisors (see below), whose sum is σ = 1487591424. Its totient is φ = 587825280.

The previous prime is 996238741. The next prime is 996238751. The reversal of 996238749 is 947832699.

It is not a de Polignac number, because 996238749 - 2³ = 996238741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996238741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519817 + ... + 521729.

It is an arithmetic number, because the mean of its divisors is an integer number (46487232).

Almost surely, 2^996238749 is an apocalyptic number.

It is an amenable number.

996238749 is a deficient number, since it is larger than the sum of its proper divisors (491352675).

996238749 is a wasteful number, since it uses less digits than its factorization.

996238749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its digits is 5878656, while the sum is 57.

The square root of 996238749 is about 31563.2499752481. The cubic root of 996238749 is about 998.7446744839.

The spelling of 996238749 in words is "nine hundred ninety-six million, two hundred thirty-eight thousand, seven hundred forty-nine".