405094829 has 2 divisors, whose sum is σ = 405094830. Its totient is φ = 405094828.

The previous prime is 405094783. The next prime is 405094861. The reversal of 405094829 is 928490504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345774025 + 59320804 = 18595^2 + 7702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405094829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405091829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202547414 + 202547415.

It is an arithmetic number, because the mean of its divisors is an integer number (202547415).

Almost surely, 2^405094829 is an apocalyptic number.

It is an amenable number.

405094829 is a deficient number, since it is larger than the sum of its proper divisors (1).

405094829 is an equidigital number, since it uses as much as digits as its factorization.

405094829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 405094829 is about 20126.9677050469. The cubic root of 405094829 is about 739.9213630829.

The spelling of 405094829 in words is "four hundred five million, ninety-four thousand, eight hundred twenty-nine".