996897401 has 12 divisors (see below), whose sum is σ = 1046173668. Its totient is φ = 949239072.

The previous prime is 996897379. The next prime is 996897403. The reversal of 996897401 is 104798699.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 808549225 + 188348176 = 28435^2 + 13724^2 .

It is not a de Polignac number, because 996897401 - 2¹⁰ = 996896377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996897403) 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 11 ways as a sum of consecutive naturals, for example, 75635 + ... + 87831.

It is an arithmetic number, because the mean of its divisors is an integer number (87181139).

Almost surely, 2^996897401 is an apocalyptic number.

It is an amenable number.

996897401 is a deficient number, since it is larger than the sum of its proper divisors (49276267).

996897401 is a wasteful number, since it uses less digits than its factorization.

996897401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12328 (or 12281 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 996897401 is about 31573.6820944279. The cubic root of 996897401 is about 998.9647289170.

The spelling of 996897401 in words is "nine hundred ninety-six million, eight hundred ninety-seven thousand, four hundred one".