19085234 has 32 divisors (see below), whose sum is σ = 34734720. Its totient is φ = 7682688.

The previous prime is 19085233. The next prime is 19085251. The reversal of 19085234 is 43258091.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19085234.

It is not an unprimeable number, because it can be changed into a prime (19085233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41534 + ... + 41990.

It is an arithmetic number, because the mean of its divisors is an integer number (1085460).

Almost surely, 2^19085234 is an apocalyptic number.

19085234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19085234 is a deficient number, since it is larger than the sum of its proper divisors (15649486).

19085234 is a wasteful number, since it uses less digits than its factorization.

19085234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 19085234 is about 4368.6650134795. The cubic root of 19085234 is about 267.2385846876.

The spelling of 19085234 in words is "nineteen million, eighty-five thousand, two hundred thirty-four".