2498278 has 4 divisors (see below), whose sum is σ = 3747420. Its totient is φ = 1249138.

The previous prime is 2498273. The next prime is 2498299. The reversal of 2498278 is 8728942.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2498278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624568 + ... + 624571.

It is an arithmetic number, because the mean of its divisors is an integer number (936855).

2^2498278 is an apocalyptic number.

2498278 is a deficient number, since it is larger than the sum of its proper divisors (1249142).

2498278 is a wasteful number, since it uses less digits than its factorization.

2498278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249141.

The product of its digits is 64512, while the sum is 40.

The square root of 2498278 is about 1580.5941920683. The cubic root of 2498278 is about 135.6897121581.

The spelling of 2498278 in words is "two million, four hundred ninety-eight thousand, two hundred seventy-eight".