2493478 has 16 divisors (see below), whose sum is σ = 4168080. Its totient is φ = 1110816.

The previous prime is 2493443. The next prime is 2493479. The reversal of 2493478 is 8743942.

It is a happy number.

2493478 is nontrivially palindromic in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493479) 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, 900 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (260505).

2^2493478 is an apocalyptic number.

2493478 is a deficient number, since it is larger than the sum of its proper divisors (1674602).

2493478 is a wasteful number, since it uses less digits than its factorization.

2493478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its digits is 48384, while the sum is 37.

The square root of 2493478 is about 1579.0750457151. The cubic root of 2493478 is about 135.6027551701.

The spelling of 2493478 in words is "two million, four hundred ninety-three thousand, four hundred seventy-eight".