961648 has 10 divisors (see below), whose sum is σ = 1863224. Its totient is φ = 480816.

The previous prime is 961643. The next prime is 961657. The reversal of 961648 is 846169.

961648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961643) by changing a digit.

961648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30036 + ... + 30067.

2⁹⁶¹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

961648 is a deficient number, since it is larger than the sum of its proper divisors (901576).

961648 is a wasteful number, since it uses less digits than its factorization.

961648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111 (or 60105 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 961648 is about 980.6365279756. The cubic root of 961648 is about 98.7048995568.

The spelling of 961648 in words is "nine hundred sixty-one thousand, six hundred forty-eight".