93819661 has 16 divisors (see below), whose sum is σ = 104315904. Its totient is φ = 83833344.

The previous prime is 93819659. The next prime is 93819683. The reversal of 93819661 is 16691839.

It is a cyclic number.

It is not a de Polignac number, because 93819661 - 2¹ = 93819659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93819641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58476 + ... + 60058.

It is an arithmetic number, because the mean of its divisors is an integer number (6519744).

Almost surely, 2^93819661 is an apocalyptic number.

It is an amenable number.

93819661 is a deficient number, since it is larger than the sum of its proper divisors (10496243).

93819661 is a wasteful number, since it uses less digits than its factorization.

93819661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its digits is 69984, while the sum is 43.

The square root of 93819661 is about 9686.0549760984. The cubic root of 93819661 is about 454.3926380731.

The spelling of 93819661 in words is "ninety-three million, eight hundred nineteen thousand, six hundred sixty-one".