8406145 has 8 divisors (see below), whose sum is σ = 11004480. Its totient is φ = 6113520.

The previous prime is 8406127. The next prime is 8406161. The reversal of 8406145 is 5416048.

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

It is not a de Polignac number, because 8406145 - 2¹⁵ = 8373377 is a prime.

It is a super-2 number, since 2×8406145² = 141326547522050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 76365 + ... + 76474.

It is an arithmetic number, because the mean of its divisors is an integer number (1375560).

Almost surely, 2^8406145 is an apocalyptic number.

It is an amenable number.

8406145 is a deficient number, since it is larger than the sum of its proper divisors (2598335).

8406145 is a wasteful number, since it uses less digits than its factorization.

8406145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152855.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8406145 is about 2899.3352686435. The cubic root of 8406145 is about 203.3288287694.

The spelling of 8406145 in words is "eight million, four hundred six thousand, one hundred forty-five".