1940671 has 4 divisors (see below), whose sum is σ = 2025072. Its totient is φ = 1856272.

The previous prime is 1940663. The next prime is 1940683. The reversal of 1940671 is 1760491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1940671 - 2³ = 1940663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940621) 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, 42166 + ... + 42211.

It is an arithmetic number, because the mean of its divisors is an integer number (506268).

2^1940671 is an apocalyptic number.

1940671 is a deficient number, since it is larger than the sum of its proper divisors (84401).

1940671 is an equidigital number, since it uses as much as digits as its factorization.

1940671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84400.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1940671 is about 1393.0796818560. The cubic root of 1940671 is about 124.7337479481.

The spelling of 1940671 in words is "one million, nine hundred forty thousand, six hundred seventy-one".