9862949 has 2 divisors, whose sum is σ = 9862950. Its totient is φ = 9862948.

The previous prime is 9862927. The next prime is 9862961. The reversal of 9862949 is 9492689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 66049 = 3130^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 9862949 - 2¹⁶ = 9797413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9862999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4931474 + 4931475.

It is an arithmetic number, because the mean of its divisors is an integer number (4931475).

Almost surely, 2^9862949 is an apocalyptic number.

It is an amenable number.

9862949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9862949 is an equidigital number, since it uses as much as digits as its factorization.

9862949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 9862949 is about 3140.5332349778. The cubic root of 9862949 is about 214.4547133907.

The spelling of 9862949 in words is "nine million, eight hundred sixty-two thousand, nine hundred forty-nine".