849392407 has 2 divisors, whose sum is σ = 849392408. Its totient is φ = 849392406.

The previous prime is 849392393. The next prime is 849392441. The reversal of 849392407 is 704293948.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849392407 is a prime.

It is a super-2 number, since 2×849392407² = 1442934922138507298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849392447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424696203 + 424696204.

It is an arithmetic number, because the mean of its divisors is an integer number (424696204).

Almost surely, 2^849392407 is an apocalyptic number.

849392407 is a deficient number, since it is larger than the sum of its proper divisors (1).

849392407 is an equidigital number, since it uses as much as digits as its factorization.

849392407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 849392407 is about 29144.3374774586. The cubic root of 849392407 is about 947.0424761103.

The spelling of 849392407 in words is "eight hundred forty-nine million, three hundred ninety-two thousand, four hundred seven".