2449478 has 4 divisors (see below), whose sum is σ = 3674220. Its totient is φ = 1224738.

The previous prime is 2449471. The next prime is 2449483. The reversal of 2449478 is 8749442.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612368 + ... + 612371.

It is an arithmetic number, because the mean of its divisors is an integer number (918555).

2^2449478 is an apocalyptic number.

2449478 is a deficient number, since it is larger than the sum of its proper divisors (1224742).

2449478 is a wasteful number, since it uses less digits than its factorization.

2449478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224741.

The product of its digits is 64512, while the sum is 38.

The square root of 2449478 is about 1565.0808285836. The cubic root of 2449478 is about 134.8004000493.

The spelling of 2449478 in words is "two million, four hundred forty-nine thousand, four hundred seventy-eight".