10206349 has 4 divisors (see below), whose sum is σ = 10346236. Its totient is φ = 10066464.

The previous prime is 10206331. The next prime is 10206359. The reversal of 10206349 is 94360201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94360201 = 13 ⋅7258477.

It can be written as a sum of positive squares in 2 ways, for example, as 4884100 + 5322249 = 2210^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206349 - 2¹³ = 10198157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69834 + ... + 69979.

It is an arithmetic number, because the mean of its divisors is an integer number (2586559).

Almost surely, 2^10206349 is an apocalyptic number.

It is an amenable number.

10206349 is a deficient number, since it is larger than the sum of its proper divisors (139887).

10206349 is an equidigital number, since it uses as much as digits as its factorization.

10206349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139886.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10206349 is about 3194.7377044133. The cubic root of 10206349 is about 216.9152762333.

The spelling of 10206349 in words is "ten million, two hundred six thousand, three hundred forty-nine".