17968995 has 48 divisors (see below), whose sum is σ = 35103744. Its totient is φ = 8424000.

The previous prime is 17968967. The next prime is 17968999. The reversal of 17968995 is 59986971.

It is not a de Polignac number, because 17968995 - 2⁸ = 17968739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17968999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14760 + ... + 15930.

It is an arithmetic number, because the mean of its divisors is an integer number (731328).

Almost surely, 2^17968995 is an apocalyptic number.

17968995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17968995 is a deficient number, since it is larger than the sum of its proper divisors (17134749).

17968995 is a wasteful number, since it uses less digits than its factorization.

17968995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1221 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 17968995 is about 4238.9851379782. The cubic root of 17968995 is about 261.9235787058.

The spelling of 17968995 in words is "seventeen million, nine hundred sixty-eight thousand, nine hundred ninety-five".