1896420 has 24 divisors (see below), whose sum is σ = 5310144. Its totient is φ = 505696.
The previous prime is 1896413. The next prime is 1896421. The reversal of 1896420 is 246981.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (1896421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15744 + ... + 15863.
It is an arithmetic number, because the mean of its divisors is an integer number (221256).
21896420 is an apocalyptic number.
1896420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1896420 is an abundant number, since it is smaller than the sum of its proper divisors (3413724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1896420 is a wasteful number, since it uses less digits than its factorization.
1896420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31619 (or 31617 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 1896420 is about 1377.1056604342. The cubic root of 1896420 is about 123.7783936480.
The spelling of 1896420 in words is "one million, eight hundred ninety-six thousand, four hundred twenty".
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