423602649 has 8 divisors (see below), whose sum is σ = 627559520. Its totient is φ = 282401748.

The previous prime is 423602629. The next prime is 423602671. The reversal of 423602649 is 946206324.

423602649 is a `hidden beast` number, since 4 + 2 + 3 + 6 + 0 + 2 + 649 = 666.

It is not a de Polignac number, because 423602649 - 2⁸ = 423602393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423602629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7844467 + ... + 7844520.

It is an arithmetic number, because the mean of its divisors is an integer number (78444940).

Almost surely, 2^423602649 is an apocalyptic number.

It is an amenable number.

423602649 is a deficient number, since it is larger than the sum of its proper divisors (203956871).

423602649 is a wasteful number, since it uses less digits than its factorization.

423602649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688996 (or 15688990 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 423602649 is about 20581.6094851690. The cubic root of 423602649 is about 751.0223976375.

The spelling of 423602649 in words is "four hundred twenty-three million, six hundred two thousand, six hundred forty-nine".