104272389 has 24 divisors (see below), whose sum is σ = 166165272. Its totient is φ = 62599680.

The previous prime is 104272387. The next prime is 104272433. The reversal of 104272389 is 983272401.

104272389 is a `hidden beast` number, since 1 + 0 + 4 + 272 + 389 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 91527489 = 3570^2 + 9567^2 .

It is not a de Polignac number, because 104272389 - 2¹ = 104272387 is a prime.

It is a super-2 number, since 2×104272389² = 21745462215534642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104272387) 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 23 ways as a sum of consecutive naturals, for example, 6072 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (6923553).

Almost surely, 2^104272389 is an apocalyptic number.

It is an amenable number.

104272389 is a deficient number, since it is larger than the sum of its proper divisors (61892883).

104272389 is a wasteful number, since it uses less digits than its factorization.

104272389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21797 (or 21794 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 104272389 is about 10211.3852635184. The cubic root of 104272389 is about 470.6771422574.

The spelling of 104272389 in words is "one hundred four million, two hundred seventy-two thousand, three hundred eighty-nine".