92191249 has 4 divisors (see below), whose sum is σ = 97043440. Its totient is φ = 87339060.

The previous prime is 92191243. The next prime is 92191277. The reversal of 92191249 is 94219129.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94219129 = 73 ⋅1290673.

It is a cyclic number.

It is not a de Polignac number, because 92191249 - 2⁹ = 92190737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92191243) 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, 2426067 + ... + 2426104.

It is an arithmetic number, because the mean of its divisors is an integer number (24260860).

Almost surely, 2^92191249 is an apocalyptic number.

It is an amenable number.

92191249 is a deficient number, since it is larger than the sum of its proper divisors (4852191).

92191249 is a wasteful number, since it uses less digits than its factorization.

92191249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852190.

The product of its digits is 11664, while the sum is 37.

The square root of 92191249 is about 9601.6274141418. The cubic root of 92191249 is about 451.7483409321.

The spelling of 92191249 in words is "ninety-two million, one hundred ninety-one thousand, two hundred forty-nine".