403684048 has 10 divisors (see below), whose sum is σ = 782137874. Its totient is φ = 201842016.

The previous prime is 403684033. The next prime is 403684049. The reversal of 403684048 is 840486304.

It can be written as a sum of positive squares in only one way, i.e., 379003024 + 24681024 = 19468^2 + 4968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403683998 and 403684016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403684049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615111 + ... + 12615142.

Almost surely, 2^403684048 is an apocalyptic number.

It is an amenable number.

403684048 is a deficient number, since it is larger than the sum of its proper divisors (378453826).

403684048 is a wasteful number, since it uses less digits than its factorization.

403684048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25230261 (or 25230255 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 403684048 is about 20091.8901052141. The cubic root of 403684048 is about 739.0614153503.

The spelling of 403684048 in words is "four hundred three million, six hundred eighty-four thousand, forty-eight".