404248149 has 12 divisors (see below), whose sum is σ = 584306112. Its totient is φ = 269317800.

The previous prime is 404248109. The next prime is 404248171. The reversal of 404248149 is 941842404.

404248149 is a `hidden beast` number, since 404 + 248 + 1 + 4 + 9 = 666.

It is not a de Polignac number, because 404248149 - 2⁹ = 404247637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404248109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (48692176).

Almost surely, 2^404248149 is an apocalyptic number.

It is an amenable number.

404248149 is a deficient number, since it is larger than the sum of its proper divisors (180057963).

404248149 is a wasteful number, since it uses less digits than its factorization.

404248149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30168 (or 30165 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 404248149 is about 20105.9232317245. The cubic root of 404248149 is about 739.4055056061.

The spelling of 404248149 in words is "four hundred four million, two hundred forty-eight thousand, one hundred forty-nine".