19606642 has 16 divisors (see below), whose sum is σ = 32176800. Its totient is φ = 8886240.

The previous prime is 19606637. The next prime is 19606669. The reversal of 19606642 is 24660691.

It is a junction number, because it is equal to n+sod(n) for n = 19606598 and 19606607.

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, 7909 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (2011050).

Almost surely, 2^19606642 is an apocalyptic number.

19606642 is a deficient number, since it is larger than the sum of its proper divisors (12570158).

19606642 is a wasteful number, since it uses less digits than its factorization.

19606642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 19606642 is about 4427.9387981317. The cubic root of 19606642 is about 269.6504025874.

The spelling of 19606642 in words is "nineteen million, six hundred six thousand, six hundred forty-two".