94661819 has 16 divisors (see below), whose sum is σ = 114151680. Its totient is φ = 76684320.

The previous prime is 94661773. The next prime is 94661839. The reversal of 94661819 is 91816649.

It is a cyclic number.

It is not a de Polignac number, because 94661819 - 2¹² = 94657723 is a prime.

It is a super-2 number, since 2×94661819² = 17921719952777522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94661819.

It is not an unprimeable number, because it can be changed into a prime (94661839) 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, 97004 + ... + 97974.

It is an arithmetic number, because the mean of its divisors is an integer number (7134480).

Almost surely, 2^94661819 is an apocalyptic number.

94661819 is a deficient number, since it is larger than the sum of its proper divisors (19489861).

94661819 is a wasteful number, since it uses less digits than its factorization.

94661819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730.

The product of its digits is 93312, while the sum is 44.

The square root of 94661819 is about 9729.4305588765. The cubic root of 94661819 is about 455.7481857728.

The spelling of 94661819 in words is "ninety-four million, six hundred sixty-one thousand, eight hundred nineteen".