99993774 has 8 divisors (see below), whose sum is σ = 199987560. Its totient is φ = 33331256.

The previous prime is 99993767. The next prime is 99993781. The reversal of 99993774 is 47739999.

It is an interprime number because it is at equal distance from previous prime (99993767) and next prime (99993781).

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

99993774 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332809 + ... + 8332820.

It is an arithmetic number, because the mean of its divisors is an integer number (24998445).

Almost surely, 2^99993774 is an apocalyptic number.

99993774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99993774 is a wasteful number, since it uses less digits than its factorization.

99993774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665634.

The product of its digits is 3857868, while the sum is 57.

The square root of 99993774 is about 9999.6886951545. The cubic root of 99993774 is about 464.1492503173.

The spelling of 99993774 in words is "ninety-nine million, nine hundred ninety-three thousand, seven hundred seventy-four".