84311349 has 4 divisors (see below), whose sum is σ = 112415136. Its totient is φ = 56207564.

The previous prime is 84311309. The next prime is 84311369. The reversal of 84311349 is 94311348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84311349 - 2²⁴ = 67534133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84311309) 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, 14051889 + ... + 14051894.

It is an arithmetic number, because the mean of its divisors is an integer number (28103784).

Almost surely, 2^84311349 is an apocalyptic number.

It is an amenable number.

84311349 is a deficient number, since it is larger than the sum of its proper divisors (28103787).

84311349 is a wasteful number, since it uses less digits than its factorization.

84311349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28103786.

The product of its digits is 10368, while the sum is 33.

The square root of 84311349 is about 9182.1211601677. The cubic root of 84311349 is about 438.4923416364.

Subtracting 84311349 from its reverse (94311348), we obtain a palindrome (9999999).

The spelling of 84311349 in words is "eighty-four million, three hundred eleven thousand, three hundred forty-nine".