398244454 has 16 divisors (see below), whose sum is σ = 612152640. Its totient is φ = 194245480.

The previous prime is 398244437. The next prime is 398244463. The reversal of 398244454 is 454442893.

It is a self number, because there is not a number n which added to its sum of digits gives 398244454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (38259540).

Almost surely, 2^398244454 is an apocalyptic number.

398244454 is a deficient number, since it is larger than the sum of its proper divisors (213908186).

398244454 is a wasteful number, since it uses less digits than its factorization.

398244454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25955.

The product of its digits is 552960, while the sum is 43.

The square root of 398244454 is about 19956.0630886956. The cubic root of 398244454 is about 735.7268044712.

The spelling of 398244454 in words is "three hundred ninety-eight million, two hundred forty-four thousand, four hundred fifty-four".