189700669 has 8 divisors (see below), whose sum is σ = 192173688. Its totient is φ = 187238400.

The previous prime is 189700663. The next prime is 189700673. The reversal of 189700669 is 966007981.

It can be written as a sum of positive squares in 4 ways, for example, as 59444100 + 130256569 = 7710^2 + 11413^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 189700669 - 2³ = 189700661 is a prime.

It is a super-2 number, since 2×189700669² = 71972687638095122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189700661) 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, 36459 + ... + 41335.

It is an arithmetic number, because the mean of its divisors is an integer number (24021711).

Almost surely, 2^189700669 is an apocalyptic number.

It is an amenable number.

189700669 is a deficient number, since it is larger than the sum of its proper divisors (2473019).

189700669 is an equidigital number, since it uses as much as digits as its factorization.

189700669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 189700669 is about 13773.1865957011. The cubic root of 189700669 is about 574.5876504243.

The spelling of 189700669 in words is "one hundred eighty-nine million, seven hundred thousand, six hundred sixty-nine".