194489373 has 16 divisors (see below), whose sum is σ = 280276416. Its totient is φ = 119253120.

The previous prime is 194489303. The next prime is 194489417. The reversal of 194489373 is 373984491.

It is a happy number.

It is not a de Polignac number, because 194489373 - 2¹³ = 194481181 is a prime.

It is a super-2 number, since 2×194489373² = 75652232419866258, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194489303) 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, 2086 + ... + 19832.

It is an arithmetic number, because the mean of its divisors is an integer number (17517276).

Almost surely, 2^194489373 is an apocalyptic number.

194489373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194489373 is a deficient number, since it is larger than the sum of its proper divisors (85787043).

194489373 is a wasteful number, since it uses less digits than its factorization.

194489373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18044.

The product of its digits is 653184, while the sum is 48.

The square root of 194489373 is about 13945.9446793683. The cubic root of 194489373 is about 579.3823915275.

It can be divided in two parts, 1944 and 89373, that multiplied together give a cube (173741112 = 558³).

The spelling of 194489373 in words is "one hundred ninety-four million, four hundred eighty-nine thousand, three hundred seventy-three".