961940 has 24 divisors (see below), whose sum is σ = 2308992. Its totient is φ = 329760.

The previous prime is 961937. The next prime is 961943. The reversal of 961940 is 49169.

It is an interprime number because it is at equal distance from previous prime (961937) and next prime (961943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3296 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (96208).

2⁹⁶¹⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

961940 is an abundant number, since it is smaller than the sum of its proper divisors (1347052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961940 is a wasteful number, since it uses less digits than its factorization.

961940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887 (or 6885 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 961940 is about 980.7853995651. The cubic root of 961940 is about 98.7148889757.

The spelling of 961940 in words is "nine hundred sixty-one thousand, nine hundred forty".