992149 has 4 divisors (see below), whose sum is σ = 994336. Its totient is φ = 989964.

The previous prime is 992141. The next prime is 992153. The reversal of 992149 is 941299.

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 992149 - 2³ = 992141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (248584).

2⁹⁹²¹⁴⁹ is an apocalyptic number.

It is an amenable number.

992149 is a deficient number, since it is larger than the sum of its proper divisors (2187).

992149 is a wasteful number, since it uses less digits than its factorization.

992149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its digits is 5832, while the sum is 34.

The square root of 992149 is about 996.0667648306. The cubic root of 992149 is about 99.7376121282.

The spelling of 992149 in words is "nine hundred ninety-two thousand, one hundred forty-nine".