2449858 has 8 divisors (see below), whose sum is σ = 3699900. Its totient is φ = 1216560.

The previous prime is 2449847. The next prime is 2449859. The reversal of 2449858 is 8589442.

It can be written as a sum of positive squares in 2 ways, for example, as 2442969 + 6889 = 1563^2 + 83^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2449858.

It is not an unprimeable number, because it can be changed into a prime (2449859) 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, 3813 + ... + 4408.

2^2449858 is an apocalyptic number.

2449858 is a deficient number, since it is larger than the sum of its proper divisors (1250042).

2449858 is a wasteful number, since it uses less digits than its factorization.

2449858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372.

The product of its digits is 92160, while the sum is 40.

The square root of 2449858 is about 1565.2022233565. The cubic root of 2449858 is about 134.8073704464.

The spelling of 2449858 in words is "two million, four hundred forty-nine thousand, eight hundred fifty-eight".