190930481 has 16 divisors (see below), whose sum is σ = 224138880. Its totient is φ = 159227520.

The previous prime is 190930477. The next prime is 190930489. The reversal of 190930481 is 184039091.

190930481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 190930481 - 2² = 190930477 is a prime.

It is a super-2 number, since 2×190930481² = 72908897149782722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190930489) 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, 145430 + ... + 146736.

It is an arithmetic number, because the mean of its divisors is an integer number (14008680).

Almost surely, 2^190930481 is an apocalyptic number.

It is an amenable number.

190930481 is a deficient number, since it is larger than the sum of its proper divisors (33208399).

190930481 is a wasteful number, since it uses less digits than its factorization.

190930481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 190930481 is about 13817.7596230359. The cubic root of 190930481 is about 575.8266431511.

The spelling of 190930481 in words is "one hundred ninety million, nine hundred thirty thousand, four hundred eighty-one".