398444954 has 8 divisors (see below), whose sum is σ = 597773568. Its totient is φ = 199187100.

The previous prime is 398444951. The next prime is 398444957. The reversal of 398444954 is 459444893.

It is an interprime number because it is at equal distance from previous prime (398444951) and next prime (398444957).

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

It is not an unprimeable number, because it can be changed into a prime (398444951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 28229.

It is an arithmetic number, because the mean of its divisors is an integer number (74721696).

Almost surely, 2^398444954 is an apocalyptic number.

398444954 is a deficient number, since it is larger than the sum of its proper divisors (199328614).

398444954 is a wasteful number, since it uses less digits than its factorization.

398444954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35380.

The product of its digits is 2488320, while the sum is 50.

The square root of 398444954 is about 19961.0859925005. The cubic root of 398444954 is about 735.8502533346.

The spelling of 398444954 in words is "three hundred ninety-eight million, four hundred forty-four thousand, nine hundred fifty-four".