806162449 has 3 divisors (see below), whose sum is σ = 806190843. Its totient is φ = 806134056.

The previous prime is 806162447. The next prime is 806162543. The reversal of 806162449 is 944261608.

The square root of 806162449 is 28393.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 787083025 + 19079424 = 28055^2 + 4368^2 .

It is not a de Polignac number, because 806162449 - 2¹ = 806162447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806162447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14197 + ... + 42589.

It is an arithmetic number, because the mean of its divisors is an integer number (268730281).

Almost surely, 2^806162449 is an apocalyptic number.

806162449 is the 28393-rd square number.

806162449 is the 14197-th centered octagonal number.

It is an amenable number.

806162449 is a deficient number, since it is larger than the sum of its proper divisors (28394).

806162449 is an frugal number, since it uses more digits than its factorization.

806162449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56786 (or 28393 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The cubic root of 806162449 is about 930.6953019051.

Multiplying 806162449 by its product of nonzero digits (82944), we get a square (66866338169856 = 8177184²).

The spelling of 806162449 in words is "eight hundred six million, one hundred sixty-two thousand, four hundred forty-nine".