189024465 has 64 divisors (see below), whose sum is σ = 373248000. Its totient is φ = 79774464.

The previous prime is 189024463. The next prime is 189024469. The reversal of 189024465 is 564420981.

It is not a de Polignac number, because 189024465 - 2¹ = 189024463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189024463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68686 + ... + 71384.

It is an arithmetic number, because the mean of its divisors is an integer number (5832000).

Almost surely, 2^189024465 is an apocalyptic number.

189024465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189024465 is a deficient number, since it is larger than the sum of its proper divisors (184223535).

189024465 is a wasteful number, since it uses less digits than its factorization.

189024465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 189024465 is about 13748.6168395224. The cubic root of 189024465 is about 573.9041155948.

The spelling of 189024465 in words is "one hundred eighty-nine million, twenty-four thousand, four hundred sixty-five".