1940617 has 4 divisors (see below), whose sum is σ = 2217856. Its totient is φ = 1663380.

The previous prime is 1940599. The next prime is 1940621. The reversal of 1940617 is 7160491.

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.

It is a cyclic number.

It is not a de Polignac number, because 1940617 - 2¹⁵ = 1907849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1946617) 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, 138609 + ... + 138622.

It is an arithmetic number, because the mean of its divisors is an integer number (554464).

2^1940617 is an apocalyptic number.

It is an amenable number.

1940617 is a deficient number, since it is larger than the sum of its proper divisors (277239).

1940617 is an equidigital number, since it uses as much as digits as its factorization.

1940617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277238.

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

The square root of 1940617 is about 1393.0603002024. The cubic root of 1940617 is about 124.7325910141.

The spelling of 1940617 in words is "one million, nine hundred forty thousand, six hundred seventeen".