662038404 has 12 divisors (see below), whose sum is σ = 1544756304. Its totient is φ = 220679464.

The previous prime is 662038393. The next prime is 662038409. The reversal of 662038404 is 404830266.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (662038409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27584922 + ... + 27584945.

It is an arithmetic number, because the mean of its divisors is an integer number (128729692).

Almost surely, 2^662038404 is an apocalyptic number.

It is an amenable number.

662038404 is an abundant number, since it is smaller than the sum of its proper divisors (882717900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662038404 is a wasteful number, since it uses less digits than its factorization.

662038404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55169874 (or 55169872 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 662038404 is about 25730.1069566374. The cubic root of 662038404 is about 871.5541884820.

The spelling of 662038404 in words is "six hundred sixty-two million, thirty-eight thousand, four hundred four".