403404047 has 2 divisors, whose sum is σ = 403404048. Its totient is φ = 403404046.

The previous prime is 403404013. The next prime is 403404049. The reversal of 403404047 is 740404304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403404047 - 2⁶ = 403403983 is a prime.

Together with 403404049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403404049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201702023 + 201702024.

It is an arithmetic number, because the mean of its divisors is an integer number (201702024).

Almost surely, 2^403404047 is an apocalyptic number.

403404047 is a deficient number, since it is larger than the sum of its proper divisors (1).

403404047 is an equidigital number, since it uses as much as digits as its factorization.

403404047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 403404047 is about 20084.9208860777. The cubic root of 403404047 is about 738.8905013233.

The spelling of 403404047 in words is "four hundred three million, four hundred four thousand, forty-seven".