398798040403 has 8 divisors (see below), whose sum is σ = 482579141472. Its totient is φ = 321719427456.

The previous prime is 398798040401. The next prime is 398798040449. The reversal of 398798040403 is 304040897893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 398798040403 - 2¹ = 398798040401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398798040401) 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, 1675621900 + ... + 1675622137.

It is an arithmetic number, because the mean of its divisors is an integer number (60322392684).

Almost surely, 2^398798040403 is an apocalyptic number.

398798040403 is a deficient number, since it is larger than the sum of its proper divisors (83781101069).

398798040403 is a wasteful number, since it uses less digits than its factorization.

398798040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351244061.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 398798040403 in words is "three hundred ninety-eight billion, seven hundred ninety-eight million, forty thousand, four hundred three".