366454449 has 21 divisors (see below), whose sum is σ = 550206363. Its totient is φ = 243958392.

The previous prime is 366454427. The next prime is 366454477. The reversal of 366454449 is 944454663.

The square root of 366454449 is 19143.

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

366454449 is a `hidden beast` number, since 3 + 6 + 64 + 544 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 317552400 = 6993^2 + 17820^2 .

It is not a de Polignac number, because 366454449 - 2²¹ = 364357297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (366454409) 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 in 20 ways as a sum of consecutive naturals, for example, 516507 + ... + 517215.

It is an arithmetic number, because the mean of its divisors is an integer number (26200303).

Almost surely, 2^366454449 is an apocalyptic number.

366454449 is the 19143-rd square number.

366454449 is the 9572-nd centered octagonal number.

It is an amenable number.

366454449 is a deficient number, since it is larger than the sum of its proper divisors (183751914).

366454449 is an frugal number, since it uses more digits than its factorization.

366454449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 712 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The cubic root of 366454449 is about 715.6049448534.

The spelling of 366454449 in words is "three hundred sixty-six million, four hundred fifty-four thousand, four hundred forty-nine".