848440397 has 8 divisors (see below), whose sum is σ = 971217600. Its totient is φ = 726056064.

The previous prime is 848440379. The next prime is 848440409. The reversal of 848440397 is 793044848.

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 848440397 - 2¹⁰ = 848439373 is a prime.

It is a super-2 number, since 2×848440397² = 1439702214523035218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (848440297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93572 + ... + 102237.

It is an arithmetic number, because the mean of its divisors is an integer number (121402200).

Almost surely, 2^848440397 is an apocalyptic number.

It is an amenable number.

848440397 is a deficient number, since it is larger than the sum of its proper divisors (122777203).

848440397 is a wasteful number, since it uses less digits than its factorization.

848440397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196435.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 848440397 is about 29128.0002231530. Note that the first 3 decimals coincide. The cubic root of 848440397 is about 946.6885246860.

The spelling of 848440397 in words is "eight hundred forty-eight million, four hundred forty thousand, three hundred ninety-seven".