1771996 has 12 divisors (see below), whose sum is σ = 3133648. Its totient is φ = 876672.

The previous prime is 1771993. The next prime is 1771999. The reversal of 1771996 is 6991771.

It is an interprime number because it is at equal distance from previous prime (1771993) and next prime (1771999).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1771993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896 + ... + 2671.

2^1771996 is an apocalyptic number.

It is an amenable number.

1771996 is a deficient number, since it is larger than the sum of its proper divisors (1361652).

1771996 is a wasteful number, since it uses less digits than its factorization.

1771996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668 (or 4666 counting only the distinct ones).

The product of its digits is 23814, while the sum is 40.

The square root of 1771996 is about 1331.1634009392. The cubic root of 1771996 is about 121.0099028846.

The spelling of 1771996 in words is "one million, seven hundred seventy-one thousand, nine hundred ninety-six".