189970335 has 12 divisors (see below), whose sum is σ = 329281992. Its totient is φ = 101317488.

The previous prime is 189970267. The next prime is 189970337. The reversal of 189970335 is 533079981.

It is a happy number.

It is not a de Polignac number, because 189970335 - 2⁹ = 189969823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4221563 = 189970335 / (1 + 8 + 9 + 9 + 7 + 0 + 3 + 3 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189970337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110737 + ... + 2110826.

It is an arithmetic number, because the mean of its divisors is an integer number (27440166).

Almost surely, 2^189970335 is an apocalyptic number.

189970335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189970335 is a deficient number, since it is larger than the sum of its proper divisors (139311657).

189970335 is a wasteful number, since it uses less digits than its factorization.

189970335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221574 (or 4221571 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 189970335 is about 13782.9726474371. The cubic root of 189970335 is about 574.8597868580.

The spelling of 189970335 in words is "one hundred eighty-nine million, nine hundred seventy thousand, three hundred thirty-five".