404010487 has 2 divisors, whose sum is σ = 404010488. Its totient is φ = 404010486.

The previous prime is 404010473. The next prime is 404010587. The reversal of 404010487 is 784010404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404010487 - 2⁷ = 404010359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404010587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202005243 + 202005244.

It is an arithmetic number, because the mean of its divisors is an integer number (202005244).

Almost surely, 2^404010487 is an apocalyptic number.

404010487 is a deficient number, since it is larger than the sum of its proper divisors (1).

404010487 is an equidigital number, since it uses as much as digits as its factorization.

404010487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 404010487 is about 20100.0121144242. The cubic root of 404010487 is about 739.2605756165.

The spelling of 404010487 in words is "four hundred four million, ten thousand, four hundred eighty-seven".