19394085 has 16 divisors (see below), whose sum is σ = 31089600. Its totient is φ = 10323840.

The previous prime is 19394051. The next prime is 19394099. The reversal of 19394085 is 58049391.

It is not a de Polignac number, because 19394085 - 2¹⁶ = 19328549 is a prime.

It is a super-2 number, since 2×19394085² = 752261065974450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10566 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (1943100).

Almost surely, 2^19394085 is an apocalyptic number.

19394085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19394085 is a deficient number, since it is larger than the sum of its proper divisors (11695515).

19394085 is a wasteful number, since it uses less digits than its factorization.

19394085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 19394085 is about 4403.8715921334. The cubic root of 19394085 is about 268.6724268630.

The spelling of 19394085 in words is "nineteen million, three hundred ninety-four thousand, eighty-five".