994276429 has 2 divisors, whose sum is σ = 994276430. Its totient is φ = 994276428.

The previous prime is 994276379. The next prime is 994276457. The reversal of 994276429 is 924672499.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905408100 + 88868329 = 30090^2 + 9427^2 .

It is an emirp because it is prime and its reverse (924672499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994276429 - 2²⁵ = 960721997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994276529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497138214 + 497138215.

It is an arithmetic number, because the mean of its divisors is an integer number (497138215).

Almost surely, 2^994276429 is an apocalyptic number.

It is an amenable number.

994276429 is a deficient number, since it is larger than the sum of its proper divisors (1).

994276429 is an equidigital number, since it uses as much as digits as its factorization.

994276429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 994276429 is about 31532.1491338602. The cubic root of 994276429 is about 998.0884914632.

The spelling of 994276429 in words is "nine hundred ninety-four million, two hundred seventy-six thousand, four hundred twenty-nine".