2490398 has 16 divisors (see below), whose sum is σ = 4004640. Its totient is φ = 1157376.

The previous prime is 2490391. The next prime is 2490413. The reversal of 2490398 is 8930942.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (250290).

2^2490398 is an apocalyptic number.

2490398 is a deficient number, since it is larger than the sum of its proper divisors (1514242).

2490398 is a wasteful number, since it uses less digits than its factorization.

2490398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2490398 is about 1578.0994898928. The cubic root of 2490398 is about 135.5468989764.

The spelling of 2490398 in words is "two million, four hundred ninety thousand, three hundred ninety-eight".