449301900 has 36 divisors (see below), whose sum is σ = 1299981032. Its totient is φ = 119813760.

The previous prime is 449301887. The next prime is 449301907. The reversal of 449301900 is 9103944.

It is a super-2 number, since 2×449301900² = 403744394687220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (449301907) 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, 748537 + ... + 749136.

Almost surely, 2^449301900 is an apocalyptic number.

It is an amenable number.

449301900 is an abundant number, since it is smaller than the sum of its proper divisors (850679132).

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

449301900 is a wasteful number, since it uses less digits than its factorization.

449301900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497690 (or 1497683 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 449301900 is about 21196.7426742884. The cubic root of 449301900 is about 765.9129601806.

The spelling of 449301900 in words is "four hundred forty-nine million, three hundred one thousand, nine hundred".