996626399 has 16 divisors (see below), whose sum is σ = 1074055680. Its totient is φ = 921795840.

The previous prime is 996626341. The next prime is 996626429. The reversal of 996626399 is 993626699.

It is a cyclic number.

It is not a de Polignac number, because 996626399 - 2¹² = 996622303 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 (996626329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437327 + ... + 439599.

It is an arithmetic number, because the mean of its divisors is an integer number (67128480).

Almost surely, 2^996626399 is an apocalyptic number.

996626399 is a deficient number, since it is larger than the sum of its proper divisors (77429281).

996626399 is a wasteful number, since it uses less digits than its factorization.

996626399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its digits is 8503056, while the sum is 59.

The square root of 996626399 is about 31569.3902221757. The cubic root of 996626399 is about 998.8741993819.

The spelling of 996626399 in words is "nine hundred ninety-six million, six hundred twenty-six thousand, three hundred ninety-nine".