906449626 has 4 divisors (see below), whose sum is σ = 1359674442. Its totient is φ = 453224812.

The previous prime is 906449623. The next prime is 906449647. The reversal of 906449626 is 626944609.

906449626 is digitally balanced in base 2, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 626944609 = 47 ⋅13339247.

It can be written as a sum of positive squares in only one way, i.e., 843960601 + 62489025 = 29051^2 + 7905^2 .

It is not an unprimeable number, because it can be changed into a prime (906449623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226612405 + ... + 226612408.

Almost surely, 2^906449626 is an apocalyptic number.

906449626 is a deficient number, since it is larger than the sum of its proper divisors (453224816).

906449626 is a wasteful number, since it uses less digits than its factorization.

906449626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453224815.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 906449626 is about 30107.3018718051. The cubic root of 906449626 is about 967.7902103537.

The spelling of 906449626 in words is "nine hundred six million, four hundred forty-nine thousand, six hundred twenty-six".