8405272 has 16 divisors (see below), whose sum is σ = 15820200. Its totient is φ = 4186560.

The previous prime is 8405269. The next prime is 8405297. The reversal of 8405272 is 2725048.

It is a d-powerful number, because it can be written as 8 + 4⁵ + 0 + 5⁶ + 2²² + 7 + 2²² .

It is a self number, because there is not a number n which added to its sum of digits gives 8405272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379 + ... + 4117.

Almost surely, 2^8405272 is an apocalyptic number.

It is an amenable number.

8405272 is a deficient number, since it is larger than the sum of its proper divisors (7414928).

8405272 is a wasteful number, since it uses less digits than its factorization.

8405272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 8405272 is about 2899.1847129840. The cubic root of 8405272 is about 203.3217897833.

The spelling of 8405272 in words is "eight million, four hundred five thousand, two hundred seventy-two".