19670842 has 16 divisors (see below), whose sum is σ = 31184640. Its totient is φ = 9286992.

The previous prime is 19670839. The next prime is 19670851. The reversal of 19670842 is 24807691.

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, 928 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (1949040).

Almost surely, 2^19670842 is an apocalyptic number.

19670842 is a deficient number, since it is larger than the sum of its proper divisors (11513798).

19670842 is a wasteful number, since it uses less digits than its factorization.

19670842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 19670842 is about 4435.1822961407. The cubic root of 19670842 is about 269.9443964145.

The spelling of 19670842 in words is "nineteen million, six hundred seventy thousand, eight hundred forty-two".