16801393 has 8 divisors (see below), whose sum is σ = 19259712. Its totient is φ = 14357616.

The previous prime is 16801391. The next prime is 16801399. The reversal of 16801393 is 39310861.

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

It is not a de Polignac number, because 16801393 - 2¹ = 16801391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16801391) 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, 1030 + ... + 5887.

It is an arithmetic number, because the mean of its divisors is an integer number (2407464).

Almost surely, 2^16801393 is an apocalyptic number.

It is an amenable number.

16801393 is a deficient number, since it is larger than the sum of its proper divisors (2458319).

16801393 is an equidigital number, since it uses as much as digits as its factorization.

16801393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16801393 is about 4098.9502314617. The cubic root of 16801393 is about 256.1229115589.

The spelling of 16801393 in words is "sixteen million, eight hundred one thousand, three hundred ninety-three".