961845 has 8 divisors (see below), whose sum is σ = 1538976. Its totient is φ = 512976.

The previous prime is 961841. The next prime is 961847. The reversal of 961845 is 548169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 961845 - 2² = 961841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961841) 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, 32047 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (192372).

2⁹⁶¹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

961845 is a deficient number, since it is larger than the sum of its proper divisors (577131).

961845 is a wasteful number, since it uses less digits than its factorization.

961845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64131.

The product of its digits is 8640, while the sum is 33.

The square root of 961845 is about 980.7369677951. The cubic root of 961845 is about 98.7116392154.

The spelling of 961845 in words is "nine hundred sixty-one thousand, eight hundred forty-five".