1892130 has 32 divisors (see below), whose sum is σ = 4622400. Its totient is φ = 495552.
The previous prime is 1892123. The next prime is 1892161. The reversal of 1892130 is 312981.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 1892130.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236 + ... + 2304.
It is an arithmetic number, because the mean of its divisors is an integer number (144450).
21892130 is an apocalyptic number.
1892130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1892130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311200).
1892130 is an abundant number, since it is smaller than the sum of its proper divisors (2730270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1892130 is a wasteful number, since it uses less digits than its factorization.
1892130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 1892130 is about 1375.5471638588. The cubic root of 1892130 is about 123.6849877883.
The spelling of 1892130 in words is "one million, eight hundred ninety-two thousand, one hundred thirty".
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