398467622 has 8 divisors (see below), whose sum is σ = 683087376. Its totient is φ = 170771832.

The previous prime is 398467603. The next prime is 398467661. The reversal of 398467622 is 226764893.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14230973 + ... + 14231000.

It is an arithmetic number, because the mean of its divisors is an integer number (85385922).

Almost surely, 2^398467622 is an apocalyptic number.

398467622 is a deficient number, since it is larger than the sum of its proper divisors (284619754).

398467622 is a wasteful number, since it uses less digits than its factorization.

398467622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28461982.

The product of its digits is 870912, while the sum is 47.

The square root of 398467622 is about 19961.6537892029. The cubic root of 398467622 is about 735.8642075308.

The spelling of 398467622 in words is "three hundred ninety-eight million, four hundred sixty-seven thousand, six hundred twenty-two".