996617501 has 8 divisors (see below), whose sum is σ = 1088112864. Its totient is φ = 905271120.

The previous prime is 996617491. The next prime is 996617513. The reversal of 996617501 is 105716699.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996617501 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 (996617101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23015 + ... + 50228.

It is an arithmetic number, because the mean of its divisors is an integer number (136014108).

Almost surely, 2^996617501 is an apocalyptic number.

It is an amenable number.

996617501 is a deficient number, since it is larger than the sum of its proper divisors (91495363).

996617501 is a wasteful number, since it uses less digits than its factorization.

996617501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74491.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 996617501 is about 31569.2492942103. The cubic root of 996617501 is about 998.8712266835.

The spelling of 996617501 in words is "nine hundred ninety-six million, six hundred seventeen thousand, five hundred one".