40604903 has 2 divisors, whose sum is σ = 40604904. Its totient is φ = 40604902.

The previous prime is 40604887. The next prime is 40604909. The reversal of 40604903 is 30940604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40604903 - 2⁴ = 40604887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40604909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302451 + 20302452.

It is an arithmetic number, because the mean of its divisors is an integer number (20302452).

Almost surely, 2^40604903 is an apocalyptic number.

40604903 is a deficient number, since it is larger than the sum of its proper divisors (1).

40604903 is an equidigital number, since it uses as much as digits as its factorization.

40604903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40604903 is about 6372.1976585790. The cubic root of 40604903 is about 343.7105207332.

The spelling of 40604903 in words is "forty million, six hundred four thousand, nine hundred three".