396618622 has 4 divisors (see below), whose sum is σ = 594927936. Its totient is φ = 198309310.

The previous prime is 396618583. The next prime is 396618637. The reversal of 396618622 is 226816693.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99154654 + ... + 99154657.

It is an arithmetic number, because the mean of its divisors is an integer number (148731984).

Almost surely, 2^396618622 is an apocalyptic number.

396618622 is a deficient number, since it is larger than the sum of its proper divisors (198309314).

396618622 is a wasteful number, since it uses less digits than its factorization.

396618622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198309313.

The product of its digits is 186624, while the sum is 43.

The square root of 396618622 is about 19915.2861390440. The cubic root of 396618622 is about 734.7242379517.

The spelling of 396618622 in words is "three hundred ninety-six million, six hundred eighteen thousand, six hundred twenty-two".