189376340 has 12 divisors (see below), whose sum is σ = 397690356. Its totient is φ = 75750528.

The previous prime is 189376337. The next prime is 189376373. The reversal of 189376340 is 43673981.

189376340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 115519504 + 73856836 = 10748^2 + 8594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4734389 + ... + 4734428.

It is an arithmetic number, because the mean of its divisors is an integer number (33140863).

Almost surely, 2^189376340 is an apocalyptic number.

189376340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189376340 is an abundant number, since it is smaller than the sum of its proper divisors (208314016).

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

189376340 is a wasteful number, since it uses less digits than its factorization.

189376340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468826 (or 9468824 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 189376340 is about 13761.4076314889. The cubic root of 189376340 is about 574.2600083847.

The spelling of 189376340 in words is "one hundred eighty-nine million, three hundred seventy-six thousand, three hundred forty".