1328402 has 8 divisors (see below), whose sum is σ = 2000496. Its totient is φ = 661572.

The previous prime is 1328387. The next prime is 1328407. The reversal of 1328402 is 2048231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1328407) 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 3 ways as a sum of consecutive naturals, for example, 608 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (250062).

2^1328402 is an apocalyptic number.

1328402 is a deficient number, since it is larger than the sum of its proper divisors (672094).

1328402 is a wasteful number, since it uses less digits than its factorization.

1328402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1328402 is about 1152.5632303696. The cubic root of 1328402 is about 109.9283831351.

The spelling of 1328402 in words is "one million, three hundred twenty-eight thousand, four hundred two".