395669998 has 8 divisors (see below), whose sum is σ = 593925192. Its totient is φ = 197694936.

The previous prime is 395669993. The next prime is 395670029. The reversal of 395669998 is 899966593.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395669993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66465 + ... + 72172.

It is an arithmetic number, because the mean of its divisors is an integer number (74240649).

Almost surely, 2^395669998 is an apocalyptic number.

395669998 is a deficient number, since it is larger than the sum of its proper divisors (198255194).

395669998 is a wasteful number, since it uses less digits than its factorization.

395669998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140066.

The product of its digits is 28343520, while the sum is 64.

The square root of 395669998 is about 19891.4554017548. The cubic root of 395669998 is about 734.1380043779.

The spelling of 395669998 in words is "three hundred ninety-five million, six hundred sixty-nine thousand, nine hundred ninety-eight".