19419039 has 6 divisors (see below), whose sum is σ = 28049736. Its totient is φ = 12946020.

The previous prime is 19419031. The next prime is 19419073. The reversal of 19419039 is 93091491.

It is not a de Polignac number, because 19419039 - 2³ = 19419031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19418994 and 19419012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19419031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1078827 + ... + 1078844.

It is an arithmetic number, because the mean of its divisors is an integer number (4674956).

Almost surely, 2^19419039 is an apocalyptic number.

19419039 is a deficient number, since it is larger than the sum of its proper divisors (8630697).

19419039 is a wasteful number, since it uses less digits than its factorization.

19419039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157677 (or 2157674 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 19419039 is about 4406.7038702413. The cubic root of 19419039 is about 268.7876093752.

The spelling of 19419039 in words is "nineteen million, four hundred nineteen thousand, thirty-nine".