1996634 has 8 divisors (see below), whose sum is σ = 3152640. Its totient is φ = 945756.

The previous prime is 1996613. The next prime is 1996639. The reversal of 1996634 is 4366991.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 52543 = 1996634 / (1 + 9 + 9 + 6 + 6 + 3 + 4).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1996639) 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, 26234 + ... + 26309.

It is an arithmetic number, because the mean of its divisors is an integer number (394080).

2^1996634 is an apocalyptic number.

1996634 is a deficient number, since it is larger than the sum of its proper divisors (1156006).

1996634 is a wasteful number, since it uses less digits than its factorization.

1996634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52564.

The product of its digits is 34992, while the sum is 38.

The square root of 1996634 is about 1413.0230005205. The cubic root of 1996634 is about 125.9213837291.

The spelling of 1996634 in words is "one million, nine hundred ninety-six thousand, six hundred thirty-four".