7400198 has 8 divisors (see below), whose sum is σ = 11954208. Its totient is φ = 3415464.

The previous prime is 7400189. The next prime is 7400203. The reversal of 7400198 is 8910047.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7400198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142286 + ... + 142337.

It is an arithmetic number, because the mean of its divisors is an integer number (1494276).

Almost surely, 2^7400198 is an apocalyptic number.

7400198 is a deficient number, since it is larger than the sum of its proper divisors (4554010).

7400198 is a wasteful number, since it uses less digits than its factorization.

7400198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284638.

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

The square root of 7400198 is about 2720.3304946274. The cubic root of 7400198 is about 194.8712540474.

The spelling of 7400198 in words is "seven million, four hundred thousand, one hundred ninety-eight".