934009621 has 2 divisors, whose sum is σ = 934009622. Its totient is φ = 934009620.

The previous prime is 934009607. The next prime is 934009627. The reversal of 934009621 is 126900439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925680625 + 8328996 = 30425^2 + 2886^2 .

It is a cyclic number.

It is not a de Polignac number, because 934009621 - 2¹¹ = 934007573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (934009627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467004810 + 467004811.

It is an arithmetic number, because the mean of its divisors is an integer number (467004811).

Almost surely, 2^934009621 is an apocalyptic number.

It is an amenable number.

934009621 is a deficient number, since it is larger than the sum of its proper divisors (1).

934009621 is an equidigital number, since it uses as much as digits as its factorization.

934009621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 934009621 is about 30561.5709838352. The cubic root of 934009621 is about 977.5007889790.

The spelling of 934009621 in words is "nine hundred thirty-four million, nine thousand, six hundred twenty-one".