1628242 has 32 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 622080.

The previous prime is 1628227. The next prime is 1628261. The reversal of 1628242 is 2428261.

It is a happy 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, 14884 + ... + 14992.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^1628242 is an apocalyptic number.

1628242 is a deficient number, since it is larger than the sum of its proper divisors (1476398).

1628242 is a wasteful number, since it uses less digits than its factorization.

1628242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its digits is 1536, while the sum is 25.

The square root of 1628242 is about 1276.0258618069. The cubic root of 1628242 is about 117.6448673415.

The spelling of 1628242 in words is "one million, six hundred twenty-eight thousand, two hundred forty-two".