189001379 has 24 divisors (see below), whose sum is σ = 234133200. Its totient is φ = 151683840.

The previous prime is 189001369. The next prime is 189001387. The reversal of 189001379 is 973100981.

It is not a de Polignac number, because 189001379 - 2⁸ = 189001123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189001369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81719 + ... + 83999.

It is an arithmetic number, because the mean of its divisors is an integer number (9755550).

Almost surely, 2^189001379 is an apocalyptic number.

189001379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

189001379 is a deficient number, since it is larger than the sum of its proper divisors (45131821).

189001379 is a wasteful number, since it uses less digits than its factorization.

189001379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 189001379 is about 13747.7772385211. Note that the first 3 decimals coincide. The cubic root of 189001379 is about 573.8807505596.

The spelling of 189001379 in words is "one hundred eighty-nine million, one thousand, three hundred seventy-nine".