93421847 has 4 divisors (see below), whose sum is σ = 96643320. Its totient is φ = 90200376.

The previous prime is 93421831. The next prime is 93421859. The reversal of 93421847 is 74812439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74812439 = 13 ⋅5754803.

It is a cyclic number.

It is not a de Polignac number, because 93421847 - 2⁴ = 93421831 is a prime.

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 93421847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93421897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610693 + ... + 1610750.

It is an arithmetic number, because the mean of its divisors is an integer number (24160830).

Almost surely, 2^93421847 is an apocalyptic number.

93421847 is a deficient number, since it is larger than the sum of its proper divisors (3221473).

93421847 is a wasteful number, since it uses less digits than its factorization.

93421847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221472.

The product of its digits is 48384, while the sum is 38.

The square root of 93421847 is about 9665.4977626608. The cubic root of 93421847 is about 453.7494898390.

The spelling of 93421847 in words is "ninety-three million, four hundred twenty-one thousand, eight hundred forty-seven".