1940961 has 12 divisors (see below), whose sum is σ = 2845136. Its totient is φ = 1176120.

The previous prime is 1940957. The next prime is 1940971. The reversal of 1940961 is 1690491.

It is not a de Polignac number, because 1940961 - 2² = 1940957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940971) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2311 + ... + 3036.

2^1940961 is an apocalyptic number.

1940961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1940961 is a deficient number, since it is larger than the sum of its proper divisors (904175).

1940961 is a wasteful number, since it uses less digits than its factorization.

1940961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5361 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1940961 is about 1393.1837639019. The cubic root of 1940961 is about 124.7399607451.

The spelling of 1940961 in words is "one million, nine hundred forty thousand, nine hundred sixty-one".