693843397 has 8 divisors (see below), whose sum is σ = 756219744. Its totient is φ = 632753328.

The previous prime is 693843379. The next prime is 693843407. The reversal of 693843397 is 793348396.

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 693843397 - 2²³ = 685454789 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 (693843317) 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, 320443 + ... + 322600.

It is an arithmetic number, because the mean of its divisors is an integer number (94527468).

Almost surely, 2^693843397 is an apocalyptic number.

It is an amenable number.

693843397 is a deficient number, since it is larger than the sum of its proper divisors (62376347).

693843397 is a wasteful number, since it uses less digits than its factorization.

693843397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643139.

The product of its digits is 2939328, while the sum is 52.

The square root of 693843397 is about 26340.9072926503. The cubic root of 693843397 is about 885.2932506221.

The spelling of 693843397 in words is "six hundred ninety-three million, eight hundred forty-three thousand, three hundred ninety-seven".