19434077 has 16 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 16515840.

The previous prime is 19434073. The next prime is 19434101. The reversal of 19434077 is 77043491.

It is not a de Polignac number, because 19434077 - 2² = 19434073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19434071) 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, 9452 + ... + 11322.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^19434077 is an apocalyptic number.

19434077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

19434077 is a deficient number, since it is larger than the sum of its proper divisors (3209635).

19434077 is a wasteful number, since it uses less digits than its factorization.

19434077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 19434077 is about 4408.4098039996. The cubic root of 19434077 is about 268.8569740357.

The spelling of 19434077 in words is "nineteen million, four hundred thirty-four thousand, seventy-seven".