1941697 has 4 divisors (see below), whose sum is σ = 1946560. Its totient is φ = 1936836.

The previous prime is 1941677. The next prime is 1941707. The reversal of 1941697 is 7961491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7961491 = 17 ⋅468323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1941697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941607) 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, 1773 + ... + 2650.

It is an arithmetic number, because the mean of its divisors is an integer number (486640).

2^1941697 is an apocalyptic number.

It is an amenable number.

1941697 is a deficient number, since it is larger than the sum of its proper divisors (4863).

1941697 is an equidigital number, since it uses as much as digits as its factorization.

1941697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862.

The product of its digits is 13608, while the sum is 37.

The square root of 1941697 is about 1393.4478820537. The cubic root of 1941697 is about 124.7557256178.

It can be divided in two parts, 194 and 1697, that added together give a triangular number (1891 = T₆₁).

The spelling of 1941697 in words is "one million, nine hundred forty-one thousand, six hundred ninety-seven".