872368349 has 2 divisors, whose sum is σ = 872368350. Its totient is φ = 872368348.

The previous prime is 872368313. The next prime is 872368369. The reversal of 872368349 is 943863278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706602724 + 165765625 = 26582^2 + 12875^2 .

It is a cyclic number.

It is not a de Polignac number, because 872368349 - 2²⁰ = 871319773 is a prime.

It is a super-2 number, since 2×872368349² = 1522053072673971602, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 872368297 and 872368306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872368369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436184174 + 436184175.

It is an arithmetic number, because the mean of its divisors is an integer number (436184175).

Almost surely, 2^872368349 is an apocalyptic number.

It is an amenable number.

872368349 is a deficient number, since it is larger than the sum of its proper divisors (1).

872368349 is an equidigital number, since it uses as much as digits as its factorization.

872368349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 872368349 is about 29535.8823975178. The cubic root of 872368349 is about 955.5057394562.

The spelling of 872368349 in words is "eight hundred seventy-two million, three hundred sixty-eight thousand, three hundred forty-nine".