7148398 has 8 divisors (see below), whose sum is σ = 11353392. Its totient is φ = 3363936.

The previous prime is 7148387. The next prime is 7148399. The reversal of 7148398 is 8938417.

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 7148398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148399) 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, 105090 + ... + 105157.

It is an arithmetic number, because the mean of its divisors is an integer number (1419174).

Almost surely, 2^7148398 is an apocalyptic number.

7148398 is a deficient number, since it is larger than the sum of its proper divisors (4204994).

7148398 is a wasteful number, since it uses less digits than its factorization.

7148398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210266.

The product of its digits is 48384, while the sum is 40.

The square root of 7148398 is about 2673.6488176273. The cubic root of 7148398 is about 192.6354632055.

The spelling of 7148398 in words is "seven million, one hundred forty-eight thousand, three hundred ninety-eight".