2403398 has 4 divisors (see below), whose sum is σ = 3605100. Its totient is φ = 1201698.

The previous prime is 2403389. The next prime is 2403403. The reversal of 2403398 is 8933042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8933042 = 2 ⋅4466521.

It is a self number, because there is not a number n which added to its sum of digits gives 2403398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600848 + ... + 600851.

It is an arithmetic number, because the mean of its divisors is an integer number (901275).

2^2403398 is an apocalyptic number.

2403398 is a deficient number, since it is larger than the sum of its proper divisors (1201702).

2403398 is a wasteful number, since it uses less digits than its factorization.

2403398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201701.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2403398 is about 1550.2896503557. The cubic root of 2403398 is about 133.9497472514.

The spelling of 2403398 in words is "two million, four hundred three thousand, three hundred ninety-eight".