96961640 has 32 divisors (see below), whose sum is σ = 218841480. Its totient is φ = 38664192.

The previous prime is 96961637. The next prime is 96961643. The reversal of 96961640 is 4616969.

It is an interprime number because it is at equal distance from previous prime (96961637) and next prime (96961643).

It can be written as a sum of positive squares in 4 ways, for example, as 42172036 + 54789604 = 6494^2 + 7402^2 .

It is not an unprimeable number, because it can be changed into a prime (96961643) 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, 9884 + ... + 17076.

Almost surely, 2^96961640 is an apocalyptic number.

It is an amenable number.

96961640 is an abundant number, since it is smaller than the sum of its proper divisors (121879840).

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

96961640 is a wasteful number, since it uses less digits than its factorization.

96961640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541 (or 7537 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 96961640 is about 9846.9101752783. The cubic root of 96961640 is about 459.4095132876.

The spelling of 96961640 in words is "ninety-six million, nine hundred sixty-one thousand, six hundred forty".