93874813 has 8 divisors (see below), whose sum is σ = 94552920. Its totient is φ = 93199680.

The previous prime is 93874793. The next prime is 93874843. The reversal of 93874813 is 31847839.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 92987449 = 942^2 + 9643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93874813 - 2²¹ = 91777661 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 93874813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93874843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123631 + ... + 124387.

It is an arithmetic number, because the mean of its divisors is an integer number (11819115).

Almost surely, 2^93874813 is an apocalyptic number.

It is an amenable number.

93874813 is a deficient number, since it is larger than the sum of its proper divisors (678107).

93874813 is a wasteful number, since it uses less digits than its factorization.

93874813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 145152, while the sum is 43.

The square root of 93874813 is about 9688.9015373261. The cubic root of 93874813 is about 454.4816590504.

The spelling of 93874813 in words is "ninety-three million, eight hundred seventy-four thousand, eight hundred thirteen".