2449990 has 16 divisors (see below), whose sum is σ = 4429152. Its totient is φ = 975744.

The previous prime is 2449987. The next prime is 2449991. The reversal of 2449990 is 999442.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (276822).

2^2449990 is an apocalyptic number.

2449990 is a deficient number, since it is larger than the sum of its proper divisors (1979162).

2449990 is a wasteful number, since it uses less digits than its factorization.

2449990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2449990 is about 1565.2443898638. The cubic root of 2449990 is about 134.8097915736.

The spelling of 2449990 in words is "two million, four hundred forty-nine thousand, nine hundred ninety".