8021349 has 60 divisors (see below), whose sum is σ = 14566464. Its totient is φ = 4381776.

The previous prime is 8021347. The next prime is 8021353. The reversal of 8021349 is 9431208.

It is not a de Polignac number, because 8021349 - 2¹ = 8021347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021347) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 170644 + ... + 170690.

Almost surely, 2^8021349 is an apocalyptic number.

It is an amenable number.

8021349 is a deficient number, since it is larger than the sum of its proper divisors (6545115).

8021349 is a wasteful number, since it uses less digits than its factorization.

8021349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8021349 is about 2832.1986159166. The cubic root of 8021349 is about 200.1777503107.

The spelling of 8021349 in words is "eight million, twenty-one thousand, three hundred forty-nine".