961540284 has 48 divisors (see below), whose sum is σ = 2288652800. Its totient is φ = 314136576.

The previous prime is 961540273. The next prime is 961540331. The reversal of 961540284 is 482045169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128124 + ... + 135420.

Almost surely, 2^961540284 is an apocalyptic number.

It is an amenable number.

961540284 is an abundant number, since it is smaller than the sum of its proper divisors (1327112516).

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

961540284 is a wasteful number, since it uses less digits than its factorization.

961540284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522 (or 7520 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 961540284 is about 31008.7130335975. The cubic root of 961540284 is about 987.0121404546.

The spelling of 961540284 in words is "nine hundred sixty-one million, five hundred forty thousand, two hundred eighty-four".