397896135343 has 8 divisors (see below), whose sum is σ = 460967734688. Its totient is φ = 336381859584.

The previous prime is 397896135341. The next prime is 397896135347. The reversal of 397896135343 is 343531698793.

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

It is a cyclic number.

It is not a de Polignac number, because 397896135343 - 2¹ = 397896135341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397896135341) 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, 389330346 + ... + 389331367.

It is an arithmetic number, because the mean of its divisors is an integer number (57620966836).

Almost surely, 2^397896135343 is an apocalyptic number.

397896135343 is a deficient number, since it is larger than the sum of its proper divisors (63071599345).

397896135343 is an equidigital number, since it uses as much as digits as its factorization.

397896135343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778661793.

The product of its digits is 44089920, while the sum is 61.

The spelling of 397896135343 in words is "three hundred ninety-seven billion, eight hundred ninety-six million, one hundred thirty-five thousand, three hundred forty-three".