44449906 has 8 divisors (see below), whose sum is σ = 67265244. Its totient is φ = 22028160.

The previous prime is 44449901. The next prime is 44449927. The reversal of 44449906 is 60994444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32024281 + 12425625 = 5659^2 + 3525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (44449901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98115 + ... + 98566.

Almost surely, 2^44449906 is an apocalyptic number.

44449906 is a deficient number, since it is larger than the sum of its proper divisors (22815338).

44449906 is a wasteful number, since it uses less digits than its factorization.

44449906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196796.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 44449906 is about 6667.0762707502. The cubic root of 44449906 is about 354.2340318886.

The spelling of 44449906 in words is "forty-four million, four hundred forty-nine thousand, nine hundred six".