1949494 has 4 divisors (see below), whose sum is σ = 2924244. Its totient is φ = 974746.
The previous prime is 1949473. The next prime is 1949501. The reversal of 1949494 is 4949491.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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, 487372 + ... + 487375.
It is an arithmetic number, because the mean of its divisors is an integer number (731061).
21949494 is an apocalyptic number.
1949494 is a deficient number, since it is larger than the sum of its proper divisors (974750).
1949494 is an equidigital number, since it uses as much as digits as its factorization.
1949494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974749.
The product of its digits is 46656, while the sum is 40.
The square root of 1949494 is about 1396.2428155590. The cubic root of 1949494 is about 124.9224906150.
The spelling of 1949494 in words is "one million, nine hundred forty-nine thousand, four hundred ninety-four".
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