1942345 has 8 divisors (see below), whose sum is σ = 2338560. Its totient is φ = 1548720.
The previous prime is 1942321. The next prime is 1942349. The reversal of 1942345 is 5432491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1942345 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (1942349) 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 7 ways as a sum of consecutive naturals, for example, 1990 + ... + 2800.
It is an arithmetic number, because the mean of its divisors is an integer number (292320).
21942345 is an apocalyptic number.
It is an amenable number.
1942345 is a deficient number, since it is larger than the sum of its proper divisors (396215).
1942345 is an equidigital number, since it uses as much as digits as its factorization.
1942345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1295.
The product of its digits is 4320, while the sum is 28.
The square root of 1942345 is about 1393.6803794271. The cubic root of 1942345 is about 124.7696022626.
The spelling of 1942345 in words is "one million, nine hundred forty-two thousand, three hundred forty-five".
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