1346240 has 56 divisors (see below), whose sum is σ = 3669792. Its totient is φ = 460800.

The previous prime is 1346183. The next prime is 1346243. The reversal of 1346240 is 426431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1346243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (65532).

2^1346240 is an apocalyptic number.

1346240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834896).

1346240 is an abundant number, since it is smaller than the sum of its proper divisors (2323552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1346240 is an equidigital number, since it uses as much as digits as its factorization.

1346240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1346240 is about 1160.2758292751. The cubic root of 1346240 is about 110.4182424521.

The spelling of 1346240 in words is "one million, three hundred forty-six thousand, two hundred forty".