4149449 has 4 divisors (see below), whose sum is σ = 4174464. Its totient is φ = 4124436.

The previous prime is 4149437. The next prime is 4149451. The reversal of 4149449 is 9449414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4149449 - 2⁴ = 4149433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4149469) 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, 12257 + ... + 12590.

It is an arithmetic number, because the mean of its divisors is an integer number (1043616).

Almost surely, 2^4149449 is an apocalyptic number.

It is an amenable number.

4149449 is a deficient number, since it is larger than the sum of its proper divisors (25015).

4149449 is a wasteful number, since it uses less digits than its factorization.

4149449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25014.

The product of its digits is 20736, while the sum is 35.

The square root of 4149449 is about 2037.0196366260. The cubic root of 4149449 is about 160.6929451076.

Subtracting from 4149449 its sum of digits (35), we obtain a palindrome (4149414).

The spelling of 4149449 in words is "four million, one hundred forty-nine thousand, four hundred forty-nine".