404002853 has 2 divisors, whose sum is σ = 404002854. Its totient is φ = 404002852.

The previous prime is 404002829. The next prime is 404002861. The reversal of 404002853 is 358200404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299186209 + 104816644 = 17297^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 404002853 - 2⁸ = 404002597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404002253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202001426 + 202001427.

It is an arithmetic number, because the mean of its divisors is an integer number (202001427).

Almost surely, 2^404002853 is an apocalyptic number.

It is an amenable number.

404002853 is a deficient number, since it is larger than the sum of its proper divisors (1).

404002853 is an equidigital number, since it uses as much as digits as its factorization.

404002853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 404002853 is about 20099.8222131441. The cubic root of 404002853 is about 739.2559193423.

The spelling of 404002853 in words is "four hundred four million, two thousand, eight hundred fifty-three".