449879238 has 16 divisors (see below), whose sum is σ = 999731760. Its totient is φ = 149959728.

The previous prime is 449879203. The next prime is 449879239. The reversal of 449879238 is 832978944.

449879238 is a `hidden beast` number, since 449 + 87 + 92 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8331097 = 449879238 / (4 + 4 + 9 + 8 + 7 + 9 + 2 + 3 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449879239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165495 + ... + 4165602.

It is an arithmetic number, because the mean of its divisors is an integer number (62483235).

Almost surely, 2^449879238 is an apocalyptic number.

449879238 is an abundant number, since it is smaller than the sum of its proper divisors (549852522).

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

449879238 is a wasteful number, since it uses less digits than its factorization.

449879238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331108 (or 8331102 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 449879238 is about 21210.3568569697. The cubic root of 449879238 is about 766.2408773276.

The spelling of 449879238 in words is "four hundred forty-nine million, eight hundred seventy-nine thousand, two hundred thirty-eight".