398246254 has 8 divisors (see below), whose sum is σ = 682707888. Its totient is φ = 170676960.

The previous prime is 398246237. The next prime is 398246273. The reversal of 398246254 is 452642893.

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

It is a self number, because there is not a number n which added to its sum of digits gives 398246254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14223067 + ... + 14223094.

It is an arithmetic number, because the mean of its divisors is an integer number (85338486).

Almost surely, 2^398246254 is an apocalyptic number.

398246254 is a deficient number, since it is larger than the sum of its proper divisors (284461634).

398246254 is a wasteful number, since it uses less digits than its factorization.

398246254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28446170.

The product of its digits is 414720, while the sum is 43.

The square root of 398246254 is about 19956.1081877204. The cubic root of 398246254 is about 735.7279129246.

The spelling of 398246254 in words is "three hundred ninety-eight million, two hundred forty-six thousand, two hundred fifty-four".