1945194 has 8 divisors (see below), whose sum is σ = 3890400. Its totient is φ = 648396.

The previous prime is 1945183. The next prime is 1945199. The reversal of 1945194 is 4915491.

It is a sphenic number, since it is the product of 3 distinct primes.

1945194 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1945199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162094 + ... + 162105.

It is an arithmetic number, because the mean of its divisors is an integer number (486300).

2^1945194 is an apocalyptic number.

1945194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1945194 is a wasteful number, since it uses less digits than its factorization.

1945194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324204.

The product of its digits is 6480, while the sum is 33.

The square root of 1945194 is about 1394.7021187336. The cubic root of 1945194 is about 124.8305758006.

The spelling of 1945194 in words is "one million, nine hundred forty-five thousand, one hundred ninety-four".