996297644 has 6 divisors (see below), whose sum is σ = 1743520884. Its totient is φ = 498148820.

The previous prime is 996297641. The next prime is 996297671. The reversal of 996297644 is 446792699.

It is a self number, because there is not a number n which added to its sum of digits gives 996297644.

It is not an unprimeable number, because it can be changed into a prime (996297641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124537202 + ... + 124537209.

It is an arithmetic number, because the mean of its divisors is an integer number (290586814).

Almost surely, 2^996297644 is an apocalyptic number.

It is an amenable number.

996297644 is a deficient number, since it is larger than the sum of its proper divisors (747223240).

996297644 is a wasteful number, since it uses less digits than its factorization.

996297644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249074415 (or 249074413 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The square root of 996297644 is about 31564.1829293901. The cubic root of 996297644 is about 998.7643551440.

The spelling of 996297644 in words is "nine hundred ninety-six million, two hundred ninety-seven thousand, six hundred forty-four".