396561358 has 4 divisors (see below), whose sum is σ = 594842040. Its totient is φ = 198280678.

The previous prime is 396561353. The next prime is 396561359. The reversal of 396561358 is 853165693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853165693 = 1069 ⋅798097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396561353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99140338 + ... + 99140341.

It is an arithmetic number, because the mean of its divisors is an integer number (148710510).

Almost surely, 2^396561358 is an apocalyptic number.

396561358 is a deficient number, since it is larger than the sum of its proper divisors (198280682).

396561358 is a wasteful number, since it uses less digits than its factorization.

396561358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198280681.

The product of its digits is 583200, while the sum is 46.

The square root of 396561358 is about 19913.8483975348. The cubic root of 396561358 is about 734.6888762958.

It can be divided in two parts, 39656 and 1358, that added together give a palindrome (41014).

The spelling of 396561358 in words is "three hundred ninety-six million, five hundred sixty-one thousand, three hundred fifty-eight".