7998194 has 8 divisors (see below), whose sum is σ = 12703068. Its totient is φ = 3763840.

The previous prime is 7998169. The next prime is 7998223. The reversal of 7998194 is 4918997.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 2059225 = 2437^2 + 1435^2 .

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

It is a super-2 number, since 2×7998194² = 127942214523272, which contains 22 as substring.

It is a Curzon 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, 117587 + ... + 117654.

Almost surely, 2^7998194 is an apocalyptic number.

7998194 is a deficient number, since it is larger than the sum of its proper divisors (4704874).

7998194 is a wasteful number, since it uses less digits than its factorization.

7998194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235260.

The product of its digits is 163296, while the sum is 47.

The square root of 7998194 is about 2828.1078480143. The cubic root of 7998194 is about 199.9849488673.

It can be divided in two parts, 7998 and 194, that added together give a 13-th power (8192 = 2¹³).

The spelling of 7998194 in words is "seven million, nine hundred ninety-eight thousand, one hundred ninety-four".