356322397 has 8 divisors (see below), whose sum is σ = 378934200. Its totient is φ = 333894144.

The previous prime is 356322383. The next prime is 356322437. The reversal of 356322397 is 793223653.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73376356 + 282946041 = 8566^2 + 16821^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-356322397 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356322347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41872 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (47366775).

Almost surely, 2^356322397 is an apocalyptic number.

It is an amenable number.

356322397 is a deficient number, since it is larger than the sum of its proper divisors (22611803).

356322397 is a wasteful number, since it uses less digits than its factorization.

356322397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91775.

The product of its digits is 204120, while the sum is 40.

The square root of 356322397 is about 18876.5038341320. The cubic root of 356322397 is about 708.9479870573.

The spelling of 356322397 in words is "three hundred fifty-six million, three hundred twenty-two thousand, three hundred ninety-seven".