94003661 has 4 divisors (see below), whose sum is σ = 94369692. Its totient is φ = 93637632.

The previous prime is 94003639. The next prime is 94003699. The reversal of 94003661 is 16630049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 21855625 = 8494^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 94003661 - 2⁶ = 94003597 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 (94003631) 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, 182630 + ... + 183143.

It is an arithmetic number, because the mean of its divisors is an integer number (23592423).

Almost surely, 2^94003661 is an apocalyptic number.

It is an amenable number.

94003661 is a deficient number, since it is larger than the sum of its proper divisors (366031).

94003661 is a wasteful number, since it uses less digits than its factorization.

94003661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366030.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 94003661 is about 9695.5485146535. The cubic root of 94003661 is about 454.6894971260.

The spelling of 94003661 in words is "ninety-four million, three thousand, six hundred sixty-one".