862204349 has 2 divisors, whose sum is σ = 862204350. Its totient is φ = 862204348.

The previous prime is 862204319. The next prime is 862204367. The reversal of 862204349 is 943402268.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801909124 + 60295225 = 28318^2 + 7765^2 .

It is a cyclic number.

It is not a de Polignac number, because 862204349 - 2²⁸ = 593768893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (862204319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431102174 + 431102175.

It is an arithmetic number, because the mean of its divisors is an integer number (431102175).

Almost surely, 2^862204349 is an apocalyptic number.

It is an amenable number.

862204349 is a deficient number, since it is larger than the sum of its proper divisors (1).

862204349 is an equidigital number, since it uses as much as digits as its factorization.

862204349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 862204349 is about 29363.3163828611. The cubic root of 862204349 is about 951.7803545041.

The spelling of 862204349 in words is "eight hundred sixty-two million, two hundred four thousand, three hundred forty-nine".