2449949 has 4 divisors (see below), whose sum is σ = 2534460. Its totient is φ = 2365440.

The previous prime is 2449939. The next prime is 2449963. The reversal of 2449949 is 9499442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 1876900 = 757^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2449949 - 2⁴ = 2449933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449919) 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, 42212 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (633615).

2^2449949 is an apocalyptic number.

2449949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2449949 is a deficient number, since it is larger than the sum of its proper divisors (84511).

2449949 is an equidigital number, since it uses as much as digits as its factorization.

2449949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84510.

The product of its digits is 93312, while the sum is 41.

The square root of 2449949 is about 1565.2312928127. The cubic root of 2449949 is about 134.8090395661.

The spelling of 2449949 in words is "two million, four hundred forty-nine thousand, nine hundred forty-nine".