9457939 has 2 divisors, whose sum is σ = 9457940. Its totient is φ = 9457938.

The previous prime is 9457927. The next prime is 9457961. The reversal of 9457939 is 9397549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9457939 - 2⁵ = 9457907 is a prime.

It is a super-2 number, since 2×9457939² = 178905220255442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9457969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728969 + 4728970.

It is an arithmetic number, because the mean of its divisors is an integer number (4728970).

Almost surely, 2^9457939 is an apocalyptic number.

9457939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457939 is an equidigital number, since it uses as much as digits as its factorization.

9457939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 9457939 is about 3075.3762371456. The cubic root of 9457939 is about 211.4781501571.

The spelling of 9457939 in words is "nine million, four hundred fifty-seven thousand, nine hundred thirty-nine".