19493034 has 32 divisors (see below), whose sum is σ = 42729984. Its totient is φ = 5879280.

The previous prime is 19493021. The next prime is 19493039. The reversal of 19493034 is 43039491.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 19492986 and 19493004.

It is not an unprimeable number, because it can be changed into a prime (19493039) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16797 + ... + 17919.

It is an arithmetic number, because the mean of its divisors is an integer number (1335312).

Almost surely, 2^19493034 is an apocalyptic number.

19493034 is an abundant number, since it is smaller than the sum of its proper divisors (23236950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19493034 is a wasteful number, since it uses less digits than its factorization.

19493034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 19493034 is about 4415.0916185284. The cubic root of 19493034 is about 269.1285759674.

The spelling of 19493034 in words is "nineteen million, four hundred ninety-three thousand, thirty-four".