93004391 has 4 divisors (see below), whose sum is σ = 94314384. Its totient is φ = 91694400.

The previous prime is 93004381. The next prime is 93004393. The reversal of 93004391 is 19340039.

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-93004391 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 (93004393) 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, 654890 + ... + 655031.

It is an arithmetic number, because the mean of its divisors is an integer number (23578596).

Almost surely, 2^93004391 is an apocalyptic number.

93004391 is a deficient number, since it is larger than the sum of its proper divisors (1309993).

93004391 is a wasteful number, since it uses less digits than its factorization.

93004391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309992.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 93004391 is about 9643.8784210503. The cubic root of 93004391 is about 453.0726199999.

The spelling of 93004391 in words is "ninety-three million, four thousand, three hundred ninety-one".