1642048 has 14 divisors (see below), whose sum is σ = 3258566. Its totient is φ = 820992.

The previous prime is 1642033. The next prime is 1642049. The reversal of 1642048 is 8402461.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 369664 = 1128^2 + 608^2 .

It is not an unprimeable number, because it can be changed into a prime (1642049) 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 as a sum of consecutive naturals, namely, 12765 + ... + 12892.

2^1642048 is an apocalyptic number.

It is an amenable number.

1642048 is a deficient number, since it is larger than the sum of its proper divisors (1616518).

1642048 is an equidigital number, since it uses as much as digits as its factorization.

1642048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25669 (or 25659 counting only the distinct ones).

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

The square root of 1642048 is about 1281.4242076690. The cubic root of 1642048 is about 117.9764388465.

The spelling of 1642048 in words is "one million, six hundred forty-two thousand, forty-eight".