19244955 has 16 divisors (see below), whose sum is σ = 31785984. Its totient is φ = 9932640.

The previous prime is 19244947. The next prime is 19244957. The reversal of 19244955 is 55944291.

It is not a de Polignac number, because 19244955 - 2³ = 19244947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19244957) 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, 20229 + ... + 21158.

It is an arithmetic number, because the mean of its divisors is an integer number (1986624).

Almost surely, 2^19244955 is an apocalyptic number.

19244955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19244955 is a deficient number, since it is larger than the sum of its proper divisors (12541029).

19244955 is a wasteful number, since it uses less digits than its factorization.

19244955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41426.

The product of its digits is 64800, while the sum is 39.

The square root of 19244955 is about 4386.9072249137. The cubic root of 19244955 is about 267.9820057347.

The spelling of 19244955 in words is "nineteen million, two hundred forty-four thousand, nine hundred fifty-five".