19116842 has 16 divisors (see below), whose sum is σ = 29302560. Its totient is φ = 9351408.

The previous prime is 19116833. The next prime is 19116871. The reversal of 19116842 is 24861191.

It is a junction number, because it is equal to n+sod(n) for n = 19116799 and 19116808.

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, 23588 + ... + 24384.

It is an arithmetic number, because the mean of its divisors is an integer number (1831410).

Almost surely, 2^19116842 is an apocalyptic number.

19116842 is a deficient number, since it is larger than the sum of its proper divisors (10185718).

19116842 is a wasteful number, since it uses less digits than its factorization.

19116842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 3456, while the sum is 32.

The square root of 19116842 is about 4372.2810980082. The cubic root of 19116842 is about 267.3860323317.

The spelling of 19116842 in words is "nineteen million, one hundred sixteen thousand, eight hundred forty-two".