662038403 has 12 divisors (see below), whose sum is σ = 717736248. Its totient is φ = 610384320.

The previous prime is 662038393. The next prime is 662038409. The reversal of 662038403 is 304830266.

It is not a de Polignac number, because 662038403 - 2⁶ = 662038339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662038403.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183608 + ... + 187178.

It is an arithmetic number, because the mean of its divisors is an integer number (59811354).

Almost surely, 2^662038403 is an apocalyptic number.

662038403 is a deficient number, since it is larger than the sum of its proper divisors (55697845).

662038403 is a wasteful number, since it uses less digits than its factorization.

662038403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 662038403 is about 25730.1069372049. The cubic root of 662038403 is about 871.5541880432.

Adding to 662038403 its reverse (304830266), we get a palindrome (966868669).

The spelling of 662038403 in words is "six hundred sixty-two million, thirty-eight thousand, four hundred three".