93668690 has 16 divisors (see below), whose sum is σ = 169480728. Its totient is φ = 37272576.

The previous prime is 93668683. The next prime is 93668699. The reversal of 93668690 is 9686639.

It can be written as a sum of positive squares in 4 ways, for example, as 80802121 + 12866569 = 8989^2 + 3587^2 .

It is a super-2 number, since 2×93668690² = 17547646972632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93668699) 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, 22337 + ... + 26196.

Almost surely, 2^93668690 is an apocalyptic number.

93668690 is a deficient number, since it is larger than the sum of its proper divisors (75812038).

93668690 is a wasteful number, since it uses less digits than its factorization.

93668690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48733.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 93668690 is about 9678.2586243601. The cubic root of 93668690 is about 454.1487768206.

The spelling of 93668690 in words is "ninety-three million, six hundred sixty-eight thousand, six hundred ninety".