345872837 has 8 divisors (see below), whose sum is σ = 367742232. Its totient is φ = 324172800.

The previous prime is 345872801. The next prime is 345872851. The reversal of 345872837 is 738278543.

It can be written as a sum of positive squares in 4 ways, for example, as 232684516 + 113188321 = 15254^2 + 10639^2 .

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 345872837 - 2²⁶ = 278763973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345872791 and 345872800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345872887) 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, 38114 + ... + 46307.

It is an arithmetic number, because the mean of its divisors is an integer number (45967779).

Almost surely, 2^345872837 is an apocalyptic number.

It is an amenable number.

345872837 is a deficient number, since it is larger than the sum of its proper divisors (21869395).

345872837 is a wasteful number, since it uses less digits than its factorization.

345872837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84679.

The product of its digits is 1128960, while the sum is 47.

The square root of 345872837 is about 18597.6567610008. The cubic root of 345872837 is about 701.9488799446.

The spelling of 345872837 in words is "three hundred forty-five million, eight hundred seventy-two thousand, eight hundred thirty-seven".