1628338 has 16 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 759456.

The previous prime is 1628329. The next prime is 1628353. The reversal of 1628338 is 8338261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (163170).

2^1628338 is an apocalyptic number.

1628338 is a deficient number, since it is larger than the sum of its proper divisors (982382).

1628338 is a wasteful number, since it uses less digits than its factorization.

1628338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 6912, while the sum is 31.

The square root of 1628338 is about 1276.0634780449. The cubic root of 1628338 is about 117.6471793822.

The spelling of 1628338 in words is "one million, six hundred twenty-eight thousand, three hundred thirty-eight".