8340774 has 32 divisors (see below), whose sum is σ = 18269664. Its totient is φ = 2522880.

The previous prime is 8340749. The next prime is 8340781. The reversal of 8340774 is 4770438.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3882 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (570927).

Almost surely, 2^8340774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8340774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9134832).

8340774 is an abundant number, since it is smaller than the sum of its proper divisors (9928890).

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

8340774 is a wasteful number, since it uses less digits than its factorization.

8340774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 8340774 is about 2888.0398196701. The cubic root of 8340774 is about 202.8003894192.

The spelling of 8340774 in words is "eight million, three hundred forty thousand, seven hundred seventy-four".