892230749 has 2 divisors, whose sum is σ = 892230750. Its totient is φ = 892230748.

The previous prime is 892230683. The next prime is 892230811. The reversal of 892230749 is 947032298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 569776900 + 322453849 = 23870^2 + 17957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-892230749 is a prime.

It is a super-2 number, since 2×892230749² = 1592151418922202002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (892230149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446115374 + 446115375.

It is an arithmetic number, because the mean of its divisors is an integer number (446115375).

Almost surely, 2^892230749 is an apocalyptic number.

It is an amenable number.

892230749 is a deficient number, since it is larger than the sum of its proper divisors (1).

892230749 is an equidigital number, since it uses as much as digits as its factorization.

892230749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 892230749 is about 29870.2318203257. The cubic root of 892230749 is about 962.7031557224.

The spelling of 892230749 in words is "eight hundred ninety-two million, two hundred thirty thousand, seven hundred forty-nine".