8440346 has 4 divisors (see below), whose sum is σ = 12660522. Its totient is φ = 4220172.

The previous prime is 8440343. The next prime is 8440357. The reversal of 8440346 is 6430448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8185321 + 255025 = 2861^2 + 505^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110085 + ... + 2110088.

Almost surely, 2^8440346 is an apocalyptic number.

8440346 is a deficient number, since it is larger than the sum of its proper divisors (4220176).

8440346 is a wasteful number, since it uses less digits than its factorization.

8440346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220175.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 8440346 is about 2905.2273577123. The cubic root of 8440346 is about 203.6042082494.

The spelling of 8440346 in words is "eight million, four hundred forty thousand, three hundred forty-six".