10249439 has 4 divisors (see below), whose sum is σ = 10340256. Its totient is φ = 10158624.

The previous prime is 10249429. The next prime is 10249451. The reversal of 10249439 is 93494201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10249439 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 (10249409) 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, 45239 + ... + 45464.

It is an arithmetic number, because the mean of its divisors is an integer number (2585064).

Almost surely, 2^10249439 is an apocalyptic number.

10249439 is a deficient number, since it is larger than the sum of its proper divisors (90817).

10249439 is an equidigital number, since it uses as much as digits as its factorization.

10249439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90816.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 10249439 is about 3201.4745040372. The cubic root of 10249439 is about 217.2201112013.

The spelling of 10249439 in words is "ten million, two hundred forty-nine thousand, four hundred thirty-nine".