94921919 has 4 divisors (see below), whose sum is σ = 94945896. Its totient is φ = 94897944.

The previous prime is 94921867. The next prime is 94921933. The reversal of 94921919 is 91912949.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94921919 is a prime.

It is a super-2 number, since 2×94921919² = 18020341413285122, 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 94921919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94921949) 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, 4484 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (23736474).

Almost surely, 2^94921919 is an apocalyptic number.

94921919 is a deficient number, since it is larger than the sum of its proper divisors (23977).

94921919 is a wasteful number, since it uses less digits than its factorization.

94921919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976.

The product of its digits is 52488, while the sum is 44.

The square root of 94921919 is about 9742.7880506557. The cubic root of 94921919 is about 456.1652201515.

It can be divided in two parts, 9492 and 1919, that added together give a palindrome (11411).

The spelling of 94921919 in words is "ninety-four million, nine hundred twenty-one thousand, nine hundred nineteen".