7298138 has 8 divisors (see below), whose sum is σ = 10958880. Its totient is φ = 3645180.

The previous prime is 7298131. The next prime is 7298143. The reversal of 7298138 is 8318927.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7298131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (1369860).

Almost surely, 2^7298138 is an apocalyptic number.

7298138 is a deficient number, since it is larger than the sum of its proper divisors (3660742).

7298138 is a wasteful number, since it uses less digits than its factorization.

7298138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892.

The product of its digits is 24192, while the sum is 38.

The square root of 7298138 is about 2701.5066166863. The cubic root of 7298138 is about 193.9712466686.

The spelling of 7298138 in words is "seven million, two hundred ninety-eight thousand, one hundred thirty-eight".