1961116 has 12 divisors (see below), whose sum is σ = 3445288. Its totient is φ = 976752.

The previous prime is 1961107. The next prime is 1961129. The reversal of 1961116 is 6111691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430 + ... + 2026.

2^1961116 is an apocalyptic number.

It is an amenable number.

1961116 is a deficient number, since it is larger than the sum of its proper divisors (1484172).

1961116 is a wasteful number, since it uses less digits than its factorization.

1961116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1906 counting only the distinct ones).

The product of its digits is 324, while the sum is 25.

The square root of 1961116 is about 1400.3985147093. The cubic root of 1961116 is about 125.1702427008.

The spelling of 1961116 in words is "one million, nine hundred sixty-one thousand, one hundred sixteen".