190838011 has 16 divisors (see below), whose sum is σ = 236286400. Its totient is φ = 150980544.

The previous prime is 190838003. The next prime is 190838023. The reversal of 190838011 is 110838091.

It is not a de Polignac number, because 190838011 - 2³ = 190838003 is a prime.

It is a super-2 number, since 2×190838011² = 72838292884872242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190838041) 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, 9175 + ... + 21583.

It is an arithmetic number, because the mean of its divisors is an integer number (14767900).

Almost surely, 2^190838011 is an apocalyptic number.

190838011 is a deficient number, since it is larger than the sum of its proper divisors (45448389).

190838011 is an equidigital number, since it uses as much as digits as its factorization.

190838011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455 (or 12429 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 190838011 is about 13814.4131616222. The cubic root of 190838011 is about 575.7336681448.

The spelling of 190838011 in words is "one hundred ninety million, eight hundred thirty-eight thousand, eleven".