19040698 has 16 divisors (see below), whose sum is σ = 30431520. Its totient is φ = 8909136.

The previous prime is 19040689. The next prime is 19040737. The reversal of 19040698 is 89604091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 6172.

It is an arithmetic number, because the mean of its divisors is an integer number (1901970).

Almost surely, 2^19040698 is an apocalyptic number.

19040698 is a deficient number, since it is larger than the sum of its proper divisors (11390822).

19040698 is a wasteful number, since it uses less digits than its factorization.

19040698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 19040698 is about 4363.5648270651. The cubic root of 19040698 is about 267.0305528775.

The spelling of 19040698 in words is "nineteen million, forty thousand, six hundred ninety-eight".