394300449 has 9 divisors (see below), whose sum is σ = 569631153. Its totient is φ = 262827252.

The previous prime is 394300429. The next prime is 394300471. The reversal of 394300449 is 944003493.

The square root of 394300449 is 19857.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 394300449 - 2¹⁵ = 394267681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394300429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56262 + ... + 62880.

Almost surely, 2^394300449 is an apocalyptic number.

394300449 is the 19857-th square number.

394300449 is the 9929-th centered octagonal number.

It is an amenable number.

394300449 is a deficient number, since it is larger than the sum of its proper divisors (175330704).

394300449 is an frugal number, since it uses more digits than its factorization.

394300449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244 (or 6622 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The cubic root of 394300449 is about 733.2899910793.

Multiplying 394300449 by its sum of digits (36), we get a square (14194816164 = 119142²).

Multiplying 394300449 by its product of nonzero digits (46656), we get a square (18396481748544 = 4289112²).

The spelling of 394300449 in words is "three hundred ninety-four million, three hundred thousand, four hundred forty-nine".