906238633 has 2 divisors, whose sum is σ = 906238634. Its totient is φ = 906238632.

The previous prime is 906238609. The next prime is 906238639. The reversal of 906238633 is 336832609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 904024489 + 2214144 = 30067^2 + 1488^2 .

It is a cyclic number.

It is not a de Polignac number, because 906238633 - 2⁹ = 906238121 is a prime.

It is not a weakly prime, because it can be changed into another prime (906238639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453119316 + 453119317.

It is an arithmetic number, because the mean of its divisors is an integer number (453119317).

Almost surely, 2^906238633 is an apocalyptic number.

It is an amenable number.

906238633 is a deficient number, since it is larger than the sum of its proper divisors (1).

906238633 is an equidigital number, since it uses as much as digits as its factorization.

906238633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 906238633 is about 30103.7976507948. The cubic root of 906238633 is about 967.7151141396.

The spelling of 906238633 in words is "nine hundred six million, two hundred thirty-eight thousand, six hundred thirty-three".