1559642 has 16 divisors (see below), whose sum is σ = 2702592. Its totient is φ = 661200.

The previous prime is 1559617. The next prime is 1559647. The reversal of 1559642 is 2469551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1559599 and 1559608.

It is not an unprimeable number, because it can be changed into a prime (1559647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (168912).

2^1559642 is an apocalyptic number.

1559642 is a deficient number, since it is larger than the sum of its proper divisors (1142950).

1559642 is a wasteful number, since it uses less digits than its factorization.

1559642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its digits is 10800, while the sum is 32.

The square root of 1559642 is about 1248.8562767589. The cubic root of 1559642 is about 115.9689274682.

Subtracting 1559642 from its reverse (2469551), we obtain a palindrome (909909).

The spelling of 1559642 in words is "one million, five hundred fifty-nine thousand, six hundred forty-two".