189790410 has 32 divisors (see below), whose sum is σ = 457871040. Its totient is φ = 50347008.

The previous prime is 189790409. The next prime is 189790421. The reversal of 189790410 is 14097981.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10600 + ... + 22179.

It is an arithmetic number, because the mean of its divisors is an integer number (14308470).

Almost surely, 2^189790410 is an apocalyptic number.

189790410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189790410 is an abundant number, since it is smaller than the sum of its proper divisors (268080630).

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

189790410 is a wasteful number, since it uses less digits than its factorization.

189790410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32982.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 189790410 is about 13776.4440259452. Note that the first 3 decimals coincide. The cubic root of 189790410 is about 574.6782421649.

The spelling of 189790410 in words is "one hundred eighty-nine million, seven hundred ninety thousand, four hundred ten".