458649 has 8 divisors (see below), whose sum is σ = 679520. Its totient is φ = 305748.

The previous prime is 458639. The next prime is 458651. The reversal of 458649 is 946854.

458649 is a `hidden beast` number, since 4 + 5 + 8 + 649 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-458649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (458629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8467 + ... + 8520.

It is an arithmetic number, because the mean of its divisors is an integer number (84940).

2⁴⁵⁸⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

458649 is a deficient number, since it is larger than the sum of its proper divisors (220871).

458649 is a wasteful number, since it uses less digits than its factorization.

458649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16996 (or 16990 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 458649 is about 677.2362955424. The cubic root of 458649 is about 77.1187799640.

It can be divided in two parts, 4 and 58649, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 458649 in words is "four hundred fifty-eight thousand, six hundred forty-nine".