10409626 has 4 divisors (see below), whose sum is σ = 15614442. Its totient is φ = 5204812.

The previous prime is 10409621. The next prime is 10409647. The reversal of 10409626 is 62690401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62690401 = 31 ⋅2022271.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 201601 = 3195^2 + 449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10409594 and 10409603.

It is not an unprimeable number, because it can be changed into a prime (10409621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602405 + ... + 2602408.

Almost surely, 2^10409626 is an apocalyptic number.

10409626 is a deficient number, since it is larger than the sum of its proper divisors (5204816).

10409626 is an equidigital number, since it uses as much as digits as its factorization.

10409626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204815.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10409626 is about 3226.3952020792. The cubic root of 10409626 is about 218.3459003832.

The spelling of 10409626 in words is "ten million, four hundred nine thousand, six hundred twenty-six".