961443 has 16 divisors (see below), whose sum is σ = 1628160. Its totient is φ = 549288.

The previous prime is 961427. The next prime is 961447. The reversal of 961443 is 344169.

961443 is a `hidden beast` number, since 9 + 614 + 43 = 666.

It is not a de Polignac number, because 961443 - 2⁴ = 961427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

961443 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 2732.

It is an arithmetic number, because the mean of its divisors is an integer number (101760).

2⁹⁶¹⁴⁴³ is an apocalyptic number.

961443 is a deficient number, since it is larger than the sum of its proper divisors (666717).

961443 is a wasteful number, since it uses less digits than its factorization.

961443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103 (or 5097 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 961443 is about 980.5319984580. The cubic root of 961443 is about 98.6978852292.

The spelling of 961443 in words is "nine hundred sixty-one thousand, four hundred forty-three".