249450404 has 12 divisors (see below), whose sum is σ = 498900864. Its totient is φ = 106907304.

The previous prime is 249450391. The next prime is 249450451. The reversal of 249450404 is 404054942.

249450404 = 2083² + 2084² + ... + 2138².

249450404 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4454444 + ... + 4454499.

It is an arithmetic number, because the mean of its divisors is an integer number (41575072).

Almost surely, 2^249450404 is an apocalyptic number.

It is an amenable number.

249450404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249450404 is a wasteful number, since it uses less digits than its factorization.

249450404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908954 (or 8908952 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 249450404 is about 15793.9989869570. The cubic root of 249450404 is about 629.4985545395.

Adding to 249450404 its sum of digits (32), we get a square (249450436 = 15794²).

The spelling of 249450404 in words is "two hundred forty-nine million, four hundred fifty thousand, four hundred four".