19893195 has 48 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 9090144.

The previous prime is 19893169. The next prime is 19893197. The reversal of 19893195 is 59139891.

It is not a de Polignac number, because 19893195 - 2⁶ = 19893131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 19893195.

It is not an unprimeable number, because it can be changed into a prime (19893197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7336 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^19893195 is an apocalyptic number.

19893195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19893195 is an abundant number, since it is smaller than the sum of its proper divisors (20991285).

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

19893195 is an equidigital number, since it uses as much as digits as its factorization.

19893195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2354 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 19893195 is about 4460.1788080749. The cubic root of 19893195 is about 270.9577100261.

It can be divided in two parts, 1989 and 3195, that added together give a square (5184 = 72²).

The spelling of 19893195 in words is "nineteen million, eight hundred ninety-three thousand, one hundred ninety-five".