8340372 has 18 divisors (see below), whose sum is σ = 21082698. Its totient is φ = 2780112.

The previous prime is 8340349. The next prime is 8340401. The reversal of 8340372 is 2730438.

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 1179396 = 2676^2 + 1086^2 .

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

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 5 ways as a sum of consecutive naturals, for example, 115803 + ... + 115874.

It is an arithmetic number, because the mean of its divisors is an integer number (1171261).

Almost surely, 2^8340372 is an apocalyptic number.

It is an amenable number.

8340372 is an abundant number, since it is smaller than the sum of its proper divisors (12742326).

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

8340372 is a wasteful number, since it uses less digits than its factorization.

8340372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231687 (or 231682 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 8340372 is about 2887.9702214531. The cubic root of 8340372 is about 202.7971312457.

The spelling of 8340372 in words is "eight million, three hundred forty thousand, three hundred seventy-two".