189605010 has 48 divisors (see below), whose sum is σ = 529350336. Its totient is φ = 43337952.

The previous prime is 189604999. The next prime is 189605041. The reversal of 189605010 is 10506981.

189605010 = T₆₄ + T₆₅ + ... + T₁₀₄₃.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63022 + ... + 65961.

It is an arithmetic number, because the mean of its divisors is an integer number (11028132).

Almost surely, 2^189605010 is an apocalyptic number.

189605010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189605010 is an abundant number, since it is smaller than the sum of its proper divisors (339745326).

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

189605010 is a wasteful number, since it uses less digits than its factorization.

189605010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129007 (or 129000 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 189605010 is about 13769.7135046449. The cubic root of 189605010 is about 574.4910531170.

The spelling of 189605010 in words is "one hundred eighty-nine million, six hundred five thousand, ten".