1996947 has 8 divisors (see below), whose sum is σ = 2958480. Its totient is φ = 1331280.

The previous prime is 1996937. The next prime is 1996949. The reversal of 1996947 is 7496991.

It is not a de Polignac number, because 1996947 - 2¹⁶ = 1931411 is a prime.

1996947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1996949) 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, 36954 + ... + 37007.

It is an arithmetic number, because the mean of its divisors is an integer number (369810).

2^1996947 is an apocalyptic number.

1996947 is a deficient number, since it is larger than the sum of its proper divisors (961533).

1996947 is an equidigital number, since it uses as much as digits as its factorization.

1996947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73970 (or 73964 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 1996947 is about 1413.1337516315. The cubic root of 1996947 is about 125.9279633583.

The spelling of 1996947 in words is "one million, nine hundred ninety-six thousand, nine hundred forty-seven".