189652019 has 8 divisors (see below), whose sum is σ = 197573040. Its totient is φ = 181888000.

The previous prime is 189651991. The next prime is 189652031. The reversal of 189652019 is 910256981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189652019 is a prime.

It is a super-2 number, since 2×189652019² = 71935776621552722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189652039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36782 + ... + 41619.

It is an arithmetic number, because the mean of its divisors is an integer number (24696630).

Almost surely, 2^189652019 is an apocalyptic number.

189652019 is a deficient number, since it is larger than the sum of its proper divisors (7921021).

189652019 is an equidigital number, since it uses as much as digits as its factorization.

189652019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78501.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 189652019 is about 13771.4203697367. The cubic root of 189652019 is about 574.5385272815.

The spelling of 189652019 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, nineteen".