953989 has 6 divisors (see below), whose sum is σ = 1013714. Its totient is φ = 897600.

The previous prime is 953987. The next prime is 954001. The reversal of 953989 is 989359.

953989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 245025 + 708964 = 495^2 + 842^2 .

It is not a de Polignac number, because 953989 - 2¹ = 953987 is a prime.

It is a Duffinian number.

953989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1362 + ... + 1939.

2⁹⁵³⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

953989 is a deficient number, since it is larger than the sum of its proper divisors (59725).

953989 is a wasteful number, since it uses less digits than its factorization.

953989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3318 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 953989 is about 976.7236047112. The cubic root of 953989 is about 98.4421572836.

The spelling of 953989 in words is "nine hundred fifty-three thousand, nine hundred eighty-nine".