190039441 has 2 divisors, whose sum is σ = 190039442. Its totient is φ = 190039440.

The previous prime is 190039433. The next prime is 190039453. The reversal of 190039441 is 144930091.

190039441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153859216 + 36180225 = 12404^2 + 6015^2 .

It is an emirp because it is prime and its reverse (144930091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190039441 - 2³ = 190039433 is a prime.

It is a super-2 number, since 2×190039441² = 72229978271184962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190039411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95019720 + 95019721.

It is an arithmetic number, because the mean of its divisors is an integer number (95019721).

Almost surely, 2^190039441 is an apocalyptic number.

It is an amenable number.

190039441 is a deficient number, since it is larger than the sum of its proper divisors (1).

190039441 is an equidigital number, since it uses as much as digits as its factorization.

190039441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 190039441 is about 13785.4793532905. The cubic root of 190039441 is about 574.9294844843.

The spelling of 190039441 in words is "one hundred ninety million, thirty-nine thousand, four hundred forty-one".