8406324 has 18 divisors (see below), whose sum is σ = 21249410. Its totient is φ = 2802096.

The previous prime is 8406287. The next prime is 8406337. The reversal of 8406324 is 4236048.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 3920400 = 2118^2 + 1980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116719 + ... + 116790.

Almost surely, 2^8406324 is an apocalyptic number.

It is an amenable number.

8406324 is an abundant number, since it is smaller than the sum of its proper divisors (12843086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8406324 is a wasteful number, since it uses less digits than its factorization.

8406324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233519 (or 233514 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 8406324 is about 2899.3661376239. The cubic root of 8406324 is about 203.3302719835.

The spelling of 8406324 in words is "eight million, four hundred six thousand, three hundred twenty-four".