10426649 has 4 divisors (see below), whose sum is σ = 10975440. Its totient is φ = 9877860.

The previous prime is 10426643. The next prime is 10426651. The reversal of 10426649 is 94662401.

It is a happy number.

10426649 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94662401 = 8287 ⋅11423.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10426649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10426643) 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, 274367 + ... + 274404.

It is an arithmetic number, because the mean of its divisors is an integer number (2743860).

Almost surely, 2^10426649 is an apocalyptic number.

10426649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10426649 is a deficient number, since it is larger than the sum of its proper divisors (548791).

10426649 is an equidigital number, since it uses as much as digits as its factorization.

10426649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548790.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 10426649 is about 3229.0322079533. The cubic root of 10426649 is about 218.4648568824.

The spelling of 10426649 in words is "ten million, four hundred twenty-six thousand, six hundred forty-nine".