190841420 has 48 divisors (see below), whose sum is σ = 499661568. Its totient is φ = 59482560.

The previous prime is 190841401. The next prime is 190841437. The reversal of 190841420 is 24148091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60422 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (10409616).

Almost surely, 2^190841420 is an apocalyptic number.

190841420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190841420 is an abundant number, since it is smaller than the sum of its proper divisors (308820148).

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

190841420 is a wasteful number, since it uses less digits than its factorization.

190841420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123950 (or 123948 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 190841420 is about 13814.5365466960. The cubic root of 190841420 is about 575.7370962955.

The spelling of 190841420 in words is "one hundred ninety million, eight hundred forty-one thousand, four hundred twenty".