7040198 has 8 divisors (see below), whose sum is σ = 11520360. Its totient is φ = 3200080.

The previous prime is 7040197. The next prime is 7040213. The reversal of 7040198 is 8910407.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7040198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159983 + ... + 160026.

It is an arithmetic number, because the mean of its divisors is an integer number (1440045).

Almost surely, 2^7040198 is an apocalyptic number.

7040198 is a deficient number, since it is larger than the sum of its proper divisors (4480162).

7040198 is a wasteful number, since it uses less digits than its factorization.

7040198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320022.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7040198 is about 2653.3371440509. The cubic root of 7040198 is about 191.6585910481.

The spelling of 7040198 in words is "seven million, forty thousand, one hundred ninety-eight".