408829049 has 2 divisors, whose sum is σ = 408829050. Its totient is φ = 408829048.

The previous prime is 408829007. The next prime is 408829067. The reversal of 408829049 is 940928804.

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., 390339049 + 18490000 = 19757^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 408829049 - 2⁸ = 408828793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (408823049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204414524 + 204414525.

It is an arithmetic number, because the mean of its divisors is an integer number (204414525).

Almost surely, 2^408829049 is an apocalyptic number.

It is an amenable number.

408829049 is a deficient number, since it is larger than the sum of its proper divisors (1).

408829049 is an equidigital number, since it uses as much as digits as its factorization.

408829049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 408829049 is about 20219.5214829629. The cubic root of 408829049 is about 742.1879783493.

The spelling of 408829049 in words is "four hundred eight million, eight hundred twenty-nine thousand, forty-nine".