1628896 has 24 divisors (see below), whose sum is σ = 3243240. Its totient is φ = 805248.

The previous prime is 1628881. The next prime is 1628897. The reversal of 1628896 is 6988261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2^1628896 is an apocalyptic number.

1628896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1628896 is a deficient number, since it is larger than the sum of its proper divisors (1614344).

1628896 is a wasteful number, since it uses less digits than its factorization.

1628896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 578 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 1628896 is about 1276.2821004778. The cubic root of 1628896 is about 117.6606163199.

It can be divided in two parts, 16288 and 96, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 1628896 in words is "one million, six hundred twenty-eight thousand, eight hundred ninety-six".