19444485 has 16 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 10322112.

The previous prime is 19444483. The next prime is 19444487. The reversal of 19444485 is 58444491.

It is an interprime number because it is at equal distance from previous prime (19444483) and next prime (19444487).

It is not a de Polignac number, because 19444485 - 2¹ = 19444483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19444483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 6251.

It is an arithmetic number, because the mean of its divisors is an integer number (1953504).

Almost surely, 2^19444485 is an apocalyptic number.

19444485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19444485 is a deficient number, since it is larger than the sum of its proper divisors (11811579).

19444485 is a wasteful number, since it uses less digits than its factorization.

19444485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044.

The product of its digits is 92160, while the sum is 39.

The square root of 19444485 is about 4409.5901170063. The cubic root of 19444485 is about 268.9049612901.

The spelling of 19444485 in words is "nineteen million, four hundred forty-four thousand, four hundred eighty-five".