624662 has 4 divisors (see below), whose sum is σ = 936996. Its totient is φ = 312330.

The previous prime is 624649. The next prime is 624667. The reversal of 624662 is 266426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266426 = 2 ⋅133213.

It is a super-2 number, since 2×624662² = 780405228488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624667) by changing a digit.

624662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156164 + ... + 156167.

It is an arithmetic number, because the mean of its divisors is an integer number (234249).

2⁶²⁴⁶⁶² is an apocalyptic number.

624662 is a deficient number, since it is larger than the sum of its proper divisors (312334).

624662 is a wasteful number, since it uses less digits than its factorization.

624662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312333.

The product of its digits is 3456, while the sum is 26.

The square root of 624662 is about 790.3556161627. The cubic root of 624662 is about 85.4833819714.

The spelling of 624662 in words is "six hundred twenty-four thousand, six hundred sixty-two".