958649 has 4 divisors (see below), whose sum is σ = 961536. Its totient is φ = 955764.

The previous prime is 958637. The next prime is 958667. The reversal of 958649 is 946859.

958649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 958649 - 2⁸ = 958393 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 958649.

It is not an unprimeable number, because it can be changed into a prime (958609) 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, 869 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (240384).

2⁹⁵⁸⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

958649 is a deficient number, since it is larger than the sum of its proper divisors (2887).

958649 is a wasteful number, since it uses less digits than its factorization.

958649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its digits is 77760, while the sum is 41.

The square root of 958649 is about 979.1062250849. The cubic root of 958649 is about 98.6021855191.

The spelling of 958649 in words is "nine hundred fifty-eight thousand, six hundred forty-nine".