861407343 has 12 divisors (see below), whose sum is σ = 1244748960. Its totient is φ = 574043616.

The previous prime is 861407341. The next prime is 861407363. The reversal of 861407343 is 343704168.

861407343 is a `hidden beast` number, since 8 + 614 + 0 + 7 + 34 + 3 = 666.

It is not a de Polignac number, because 861407343 - 2¹ = 861407341 is a prime.

It is a super-3 number, since 3×861407343³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 861407298 and 861407307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861407341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6778 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (103729080).

Almost surely, 2^861407343 is an apocalyptic number.

861407343 is a deficient number, since it is larger than the sum of its proper divisors (383341617).

861407343 is a wasteful number, since it uses less digits than its factorization.

861407343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37998 (or 37995 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 861407343 is about 29349.7417876206. The cubic root of 861407343 is about 951.4869946172.

The spelling of 861407343 in words is "eight hundred sixty-one million, four hundred seven thousand, three hundred forty-three".