1448340 has 48 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 380800.

The previous prime is 1448309. The next prime is 1448357. The reversal of 1448340 is 438441.

It is a self number, because there is not a number n which added to its sum of digits gives 1448340.

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, 5941 + ... + 6179.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1448340 is an apocalyptic number.

1448340 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 1448340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056320).

1448340 is an abundant number, since it is smaller than the sum of its proper divisors (2664300).

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

1448340 is a wasteful number, since it uses less digits than its factorization.

1448340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1448340 is about 1203.4699830075. The cubic root of 1448340 is about 113.1419106207.

The spelling of 1448340 in words is "one million, four hundred forty-eight thousand, three hundred forty".