194436942 has 16 divisors (see below), whose sum is σ = 444427392. Its totient is φ = 55553400.

The previous prime is 194436901. The next prime is 194436943. The reversal of 194436942 is 249634491.

It is a super-2 number, since 2×194436942² = 75611448828622728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 4629451 = 194436942 / (1 + 9 + 4 + 4 + 3 + 6 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 194436894 and 194436903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194436943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314684 + ... + 2314767.

It is an arithmetic number, because the mean of its divisors is an integer number (27776712).

Almost surely, 2^194436942 is an apocalyptic number.

194436942 is an abundant number, since it is smaller than the sum of its proper divisors (249990450).

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

194436942 is a wasteful number, since it uses less digits than its factorization.

194436942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629463.

The product of its digits is 186624, while the sum is 42.

The square root of 194436942 is about 13944.0647588858. The cubic root of 194436942 is about 579.3303229957.

It can be divided in two parts, 194 and 436942, that multiplied together give a palindrome (84766748).

The spelling of 194436942 in words is "one hundred ninety-four million, four hundred thirty-six thousand, nine hundred forty-two".