996632658 has 54 divisors (see below), whose sum is σ = 2514286359. Its totient is φ = 284484312.

The previous prime is 996632657. The next prime is 996632683. The reversal of 996632658 is 856236699.

It can be written as a sum of positive squares in only one way, i.e., 498316329 + 498316329 = 22323^2 + 22323^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22323.

It is not an unprimeable number, because it can be changed into a prime (996632657) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 937035 + ... + 938097.

Almost surely, 2^996632658 is an apocalyptic number.

996632658 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 996632658

996632658 is an abundant number, since it is smaller than the sum of its proper divisors (1517653701).

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

996632658 is a wasteful number, since it uses less digits than its factorization.

996632658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 1075 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 996632658 is about 31569.4893528546. The cubic root of 996632658 is about 998.8762904164.

It can be divided in two parts, 9966 and 32658, that added together give a palindrome (42624).

The spelling of 996632658 in words is "nine hundred ninety-six million, six hundred thirty-two thousand, six hundred fifty-eight".