1328460 has 48 divisors (see below), whose sum is σ = 4252416. Its totient is φ = 303552.

The previous prime is 1328449. The next prime is 1328473. The reversal of 1328460 is 648231.

It is a happy number.

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 1328460.

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, 1162 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (88592).

2^1328460 is an apocalyptic number.

1328460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1328460 is an abundant number, since it is smaller than the sum of its proper divisors (2923956).

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

1328460 is a wasteful number, since it uses less digits than its factorization.

1328460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1328460 is about 1152.5883914043. The cubic root of 1328460 is about 109.9299829906.

The spelling of 1328460 in words is "one million, three hundred twenty-eight thousand, four hundred sixty".