1346840 has 32 divisors (see below), whose sum is σ = 3306960.
Its totient is φ = 489600.
The previous prime is 1346831. The next prime is 1346843. The reversal of 1346840 is 486431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1346843) 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, 1091 + ... + 1970.
21346840 is an apocalyptic number.
1346840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1346840 is an abundant number, since it is smaller than the sum of its proper divisors (1960120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1346840 is a wasteful number, since it uses less digits than its factorization.
1346840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3083 (or 3079 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 1346840 is about 1160.5343596809.
The cubic root of 1346840 is about 110.4346439619.
The spelling of 1346840 in words is "one million, three hundred forty-six thousand, eight hundred forty".