190043424 has 36 divisors (see below), whose sum is σ = 540436806. Its totient is φ = 63347712.

The previous prime is 190043417. The next prime is 190043429. The reversal of 190043424 is 424340091.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 89643024 = 10020^2 + 9468^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×190043424² = 72233006011287552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190043429) 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 5 ways as a sum of consecutive naturals, for example, 329649 + ... + 330224.

Almost surely, 2^190043424 is an apocalyptic number.

It is an amenable number.

190043424 is an abundant number, since it is smaller than the sum of its proper divisors (350393382).

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

190043424 is a wasteful number, since it uses less digits than its factorization.

190043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659889 (or 659878 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 190043424 is about 13785.6238161354. The cubic root of 190043424 is about 574.9335010683.

The spelling of 190043424 in words is "one hundred ninety million, forty-three thousand, four hundred twenty-four".