10249826 has 8 divisors (see below), whose sum is σ = 15388380. Its totient is φ = 5120368.

The previous prime is 10249823. The next prime is 10249853. The reversal of 10249826 is 62894201.

It can be written as a sum of positive squares in 2 ways, for example, as 9891025 + 358801 = 3145^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10249792 and 10249801.

It is not an unprimeable number, because it can be changed into a prime (10249823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900 + ... + 5376.

Almost surely, 2^10249826 is an apocalyptic number.

10249826 is a deficient number, since it is larger than the sum of its proper divisors (5138554).

10249826 is a wasteful number, since it uses less digits than its factorization.

10249826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 10249826 is about 3201.5349443665. The cubic root of 10249826 is about 217.2228451111. Note that the first 3 decimals are identical.

The spelling of 10249826 in words is "ten million, two hundred forty-nine thousand, eight hundred twenty-six".