958978 has 4 divisors (see below), whose sum is σ = 1438470. Its totient is φ = 479488.

The previous prime is 958973. The next prime is 959009. The reversal of 958978 is 879859.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 514089 + 444889 = 717^2 + 667^2 .

It is not an unprimeable number, because it can be changed into a prime (958973) by changing a digit.

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, 239743 + ... + 239746.

2⁹⁵⁸⁹⁷⁸ is an apocalyptic number.

958978 is a deficient number, since it is larger than the sum of its proper divisors (479492).

958978 is a wasteful number, since it uses less digits than its factorization.

958978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479491.

The product of its digits is 181440, while the sum is 46.

The square root of 958978 is about 979.2742210433. The cubic root of 958978 is about 98.6134640331.

It can be divided in two parts, 958 and 978, that added together give a square (1936 = 44²).

The spelling of 958978 in words is "nine hundred fifty-eight thousand, nine hundred seventy-eight".