398093822 has 8 divisors (see below), whose sum is σ = 682446576. Its totient is φ = 170611632.

The previous prime is 398093809. The next prime is 398093837. The reversal of 398093822 is 228390893.

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

It is a super-2 number, since 2×398093822² = 316957382229135368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14217623 + ... + 14217650.

It is an arithmetic number, because the mean of its divisors is an integer number (85305822).

Almost surely, 2^398093822 is an apocalyptic number.

398093822 is a deficient number, since it is larger than the sum of its proper divisors (284352754).

398093822 is a wasteful number, since it uses less digits than its factorization.

398093822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28435282.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 398093822 is about 19952.2886406547. The cubic root of 398093822 is about 735.6340323271.

The spelling of 398093822 in words is "three hundred ninety-eight million, ninety-three thousand, eight hundred twenty-two".