403608668 has 6 divisors (see below), whose sum is σ = 706315176. Its totient is φ = 201804332.

The previous prime is 403608661. The next prime is 403608671. The reversal of 403608668 is 866806304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403608661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50451080 + ... + 50451087.

It is an arithmetic number, because the mean of its divisors is an integer number (117719196).

Almost surely, 2^403608668 is an apocalyptic number.

It is an amenable number.

403608668 is a deficient number, since it is larger than the sum of its proper divisors (302706508).

403608668 is a wasteful number, since it uses less digits than its factorization.

403608668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100902171 (or 100902169 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 403608668 is about 20090.0141363813. The cubic root of 403608668 is about 739.0154107933.

The spelling of 403608668 in words is "four hundred three million, six hundred eight thousand, six hundred sixty-eight".