94909621 has 4 divisors (see below), whose sum is σ = 94956652. Its totient is φ = 94862592.

The previous prime is 94909613. The next prime is 94909651. The reversal of 94909621 is 12690949.

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 3496900 + 91412721 = 1870^2 + 9561^2 .

It is a cyclic number.

It is not a de Polignac number, because 94909621 - 2³ = 94909613 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 (94909651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20346 + ... + 24571.

It is an arithmetic number, because the mean of its divisors is an integer number (23739163).

Almost surely, 2^94909621 is an apocalyptic number.

It is an amenable number.

94909621 is a deficient number, since it is larger than the sum of its proper divisors (47031).

94909621 is a wasteful number, since it uses less digits than its factorization.

94909621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47030.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 94909621 is about 9742.1568967041. The cubic root of 94909621 is about 456.1455191796.

The spelling of 94909621 in words is "ninety-four million, nine hundred nine thousand, six hundred twenty-one".