4449951 has 16 divisors (see below), whose sum is σ = 7192320. Its totient is φ = 2696760.

The previous prime is 4449947. The next prime is 4449983. The reversal of 4449951 is 1599444.

It is a happy number.

It is not a de Polignac number, because 4449951 - 2² = 4449947 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7195 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (449520).

Almost surely, 2^4449951 is an apocalyptic number.

4449951 is a deficient number, since it is larger than the sum of its proper divisors (2742369).

4449951 is a wasteful number, since it uses less digits than its factorization.

4449951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003 (or 14997 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4449951 is about 2109.4906968271. The cubic root of 4449951 is about 164.4820119342.

The spelling of 4449951 in words is "four million, four hundred forty-nine thousand, nine hundred fifty-one".