662938 has 8 divisors (see below), whose sum is σ = 1003860. Its totient is φ = 328320.

The previous prime is 662917. The next prime is 662939. The reversal of 662938 is 839266.

It is a happy number.

662938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 110889 = 743^2 + 333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (662939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303 + ... + 1738.

2⁶⁶²⁹³⁸ is an apocalyptic number.

662938 is a deficient number, since it is larger than the sum of its proper divisors (340922).

662938 is a wasteful number, since it uses less digits than its factorization.

662938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 15552, while the sum is 34.

The square root of 662938 is about 814.2100466096. The cubic root of 662938 is about 87.1948773749.

It can be divided in two parts, 662 and 938, that added together give a square (1600 = 40²).

The spelling of 662938 in words is "six hundred sixty-two thousand, nine hundred thirty-eight".