662454 has 48 divisors (see below), whose sum is σ = 1638000. Its totient is φ = 191808.

The previous prime is 662449. The next prime is 662477. The reversal of 662454 is 454266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4372 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (34125).

2⁶⁶²⁴⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819000).

662454 is an abundant number, since it is smaller than the sum of its proper divisors (975546).

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

662454 is a wasteful number, since it uses less digits than its factorization.

662454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 186 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 662454 is about 813.9127717391. The cubic root of 662454 is about 87.1736523658.

The spelling of 662454 in words is "six hundred sixty-two thousand, four hundred fifty-four".