449888397 has 32 divisors (see below), whose sum is σ = 713318400. Its totient is φ = 246767808.

The previous prime is 449888381. The next prime is 449888401. The reversal of 449888397 is 793888944.

It is not a de Polignac number, because 449888397 - 2⁴ = 449888381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449888397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449887397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106948 + ... + 111074.

It is an arithmetic number, because the mean of its divisors is an integer number (22291200).

Almost surely, 2^449888397 is an apocalyptic number.

It is an amenable number.

449888397 is a deficient number, since it is larger than the sum of its proper divisors (263430003).

449888397 is a wasteful number, since it uses less digits than its factorization.

449888397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its digits is 13934592, while the sum is 60.

The square root of 449888397 is about 21210.5727645436. The cubic root of 449888397 is about 766.2460772064.

The spelling of 449888397 in words is "four hundred forty-nine million, eight hundred eighty-eight thousand, three hundred ninety-seven".