96649691 has 4 divisors (see below), whose sum is σ = 97505112. Its totient is φ = 95794272.

The previous prime is 96649649. The next prime is 96649699. The reversal of 96649691 is 19694669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19694669 = 1693 ⋅11633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96649691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96649699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427541 + ... + 427766.

It is an arithmetic number, because the mean of its divisors is an integer number (24376278).

Almost surely, 2^96649691 is an apocalyptic number.

96649691 is a deficient number, since it is larger than the sum of its proper divisors (855421).

96649691 is a wasteful number, since it uses less digits than its factorization.

96649691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855420.

The product of its digits is 629856, while the sum is 50.

The square root of 96649691 is about 9831.0574710964. The cubic root of 96649691 is about 458.9163068895.

The spelling of 96649691 in words is "ninety-six million, six hundred forty-nine thousand, six hundred ninety-one".