1790972 has 6 divisors (see below), whose sum is σ = 3134208. Its totient is φ = 895484.
The previous prime is 1790969. The next prime is 1790989. The reversal of 1790972 is 2790971.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223868 + ... + 223875.
It is an arithmetic number, because the mean of its divisors is an integer number (522368).
21790972 is an apocalyptic number.
It is an amenable number.
1790972 is a deficient number, since it is larger than the sum of its proper divisors (1343236).
1790972 is a wasteful number, since it uses less digits than its factorization.
1790972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447747 (or 447745 counting only the distinct ones).
The product of its (nonzero) digits is 7938, while the sum is 35.
The square root of 1790972 is about 1338.2720201812. The cubic root of 1790972 is about 121.4403281416.
Subtracting 1790972 from its reverse (2790971), we obtain a palindrome (999999).
The spelling of 1790972 in words is "one million, seven hundred ninety thousand, nine hundred seventy-two".
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