189456007 has 8 divisors (see below), whose sum is σ = 216031536. Its totient is φ = 164595072.

The previous prime is 189455993. The next prime is 189456023. The reversal of 189456007 is 700654981.

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 189456007 - 2⁷ = 189455879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189456907) 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, 428413 + ... + 428854.

It is an arithmetic number, because the mean of its divisors is an integer number (27003942).

Almost surely, 2^189456007 is an apocalyptic number.

189456007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

189456007 is a deficient number, since it is larger than the sum of its proper divisors (26575529).

189456007 is a wasteful number, since it uses less digits than its factorization.

189456007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857297.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 189456007 is about 13764.3019074706. The cubic root of 189456007 is about 574.3405238252.

The spelling of 189456007 in words is "one hundred eighty-nine million, four hundred fifty-six thousand, seven".