662634 has 32 divisors (see below), whose sum is σ = 1683840. Its totient is φ = 189216.

The previous prime is 662617. The next prime is 662639. The reversal of 662634 is 436266.

662634 is a `hidden beast` number, since 6 + 626 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 662598 and 662607.

It is not an unprimeable number, because it can be changed into a prime (662639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (52620).

2⁶⁶²⁶³⁴ is an apocalyptic number.

662634 is an abundant number, since it is smaller than the sum of its proper divisors (1021206).

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

662634 is a wasteful number, since it uses less digits than its factorization.

662634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1765 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 662634 is about 814.0233411887. The cubic root of 662634 is about 87.1815471713.

662634 divided by its sum of digits (27) gives a palindrome (24542).

It can be divided in two parts, 662 and 634, that added together give a 4-th power (1296 = 6⁴).

The spelling of 662634 in words is "six hundred sixty-two thousand, six hundred thirty-four".