190941620 has 48 divisors (see below), whose sum is σ = 425875968. Its totient is φ = 71662080.

The previous prime is 190941613. The next prime is 190941661. The reversal of 190941620 is 26149091.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145889 + ... + 147191.

It is an arithmetic number, because the mean of its divisors is an integer number (8872416).

Almost surely, 2^190941620 is an apocalyptic number.

190941620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190941620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212937984).

190941620 is an abundant number, since it is smaller than the sum of its proper divisors (234934348).

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

190941620 is a wasteful number, since it uses less digits than its factorization.

190941620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 190941620 is about 13818.1626853935. The cubic root of 190941620 is about 575.8378409585.

The spelling of 190941620 in words is "one hundred ninety million, nine hundred forty-one thousand, six hundred twenty".