190003814 has 32 divisors (see below), whose sum is σ = 382669056. Its totient is φ = 68332320.

The previous prime is 190003787. The next prime is 190003817. The reversal of 190003814 is 418300091.

190003814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190003814² = 72202898669093192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190003817) 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, 45452 + ... + 49455.

It is an arithmetic number, because the mean of its divisors is an integer number (11958408).

Almost surely, 2^190003814 is an apocalyptic number.

190003814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190003814 is an abundant number, since it is smaller than the sum of its proper divisors (192665242).

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

190003814 is a wasteful number, since it uses less digits than its factorization.

190003814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94940.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 190003814 is about 13784.1870997168. The cubic root of 190003814 is about 574.8935545869.

The spelling of 190003814 in words is "one hundred ninety million, three thousand, eight hundred fourteen".