398408609606 has 8 divisors (see below), whose sum is σ = 682986187920. Its totient is φ = 170746546968.

The previous prime is 398408609549. The next prime is 398408609633. The reversal of 398408609606 is 606906804893.

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

It is a super-2 number, since 2×398408609606² (a number of 24 digits) 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, 14228878901 + ... + 14228878928.

It is an arithmetic number, because the mean of its divisors is an integer number (85373273490).

Almost surely, 2^398408609606 is an apocalyptic number.

398408609606 is a deficient number, since it is larger than the sum of its proper divisors (284577578314).

398408609606 is a wasteful number, since it uses less digits than its factorization.

398408609606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28457757838.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 398408609606 in words is "three hundred ninety-eight billion, four hundred eight million, six hundred nine thousand, six hundred six".