996719 has 4 divisors (see below), whose sum is σ = 998760. Its totient is φ = 994680.

The previous prime is 996703. The next prime is 996739. The reversal of 996719 is 917699.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917699 = 67 ⋅13697.

It is a cyclic number.

It is not a de Polignac number, because 996719 - 2⁴ = 996703 is a prime.

It is a super-2 number, since 2×996719² = 1986897529922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (249690).

2⁹⁹⁶⁷¹⁹ is an apocalyptic number.

996719 is a deficient number, since it is larger than the sum of its proper divisors (2041).

996719 is a wasteful number, since it uses less digits than its factorization.

996719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its digits is 30618, while the sum is 41.

The square root of 996719 is about 998.3581521678. The cubic root of 996719 is about 99.8905135042.

The spelling of 996719 in words is "nine hundred ninety-six thousand, seven hundred nineteen".