10291949 has 4 divisors (see below), whose sum is σ = 10310364. Its totient is φ = 10273536.

The previous prime is 10291903. The next prime is 10291951. The reversal of 10291949 is 94919201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94919201 = 13 ⋅7301477.

It can be written as a sum of positive squares in 2 ways, for example, as 9721924 + 570025 = 3118^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 10291949 - 2¹² = 10287853 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 (10291999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8342 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (2577591).

Almost surely, 2^10291949 is an apocalyptic number.

It is an amenable number.

10291949 is a deficient number, since it is larger than the sum of its proper divisors (18415).

10291949 is an equidigital number, since it uses as much as digits as its factorization.

10291949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18414.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 10291949 is about 3208.1067625626. The cubic root of 10291949 is about 217.5200069674.

The spelling of 10291949 in words is "ten million, two hundred ninety-one thousand, nine hundred forty-nine".