1897038 has 72 divisors (see below), whose sum is σ = 4938024. Its totient is φ = 522720.
The previous prime is 1897037. The next prime is 1897057. The reversal of 1897038 is 8307981.
It is a junction number, because it is equal to n+sod(n) for n = 1896993 and 1897011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1897037) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28281 + ... + 28347.
21897038 is an apocalyptic number.
1897038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1897038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469012).
1897038 is an abundant number, since it is smaller than the sum of its proper divisors (3040986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1897038 is a wasteful number, since it uses less digits than its factorization.
1897038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110 (or 96 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 1897038 is about 1377.3300258108. The cubic root of 1897038 is about 123.7918377057.
It can be divided in two parts, 189 and 7038, that added together give a palindrome (7227).
The spelling of 1897038 in words is "one million, eight hundred ninety-seven thousand, thirty-eight".
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