8370349 has 4 divisors (see below), whose sum is σ = 9014236. Its totient is φ = 7726464.

The previous prime is 8370347. The next prime is 8370353. The reversal of 8370349 is 9430738.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 7193124 = 1085^2 + 2682^2 .

It is a cyclic number.

It is not a de Polignac number, because 8370349 - 2¹ = 8370347 is a prime.

It is a Duffinian number.

8370349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8370347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321924 + ... + 321949.

It is an arithmetic number, because the mean of its divisors is an integer number (2253559).

Almost surely, 2^8370349 is an apocalyptic number.

It is an amenable number.

8370349 is a deficient number, since it is larger than the sum of its proper divisors (643887).

8370349 is a wasteful number, since it uses less digits than its factorization.

8370349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643886.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 8370349 is about 2893.1555436927. The cubic root of 8370349 is about 203.0398055036.

The spelling of 8370349 in words is "eight million, three hundred seventy thousand, three hundred forty-nine".