7398161 has 8 divisors (see below), whose sum is σ = 7686120. Its totient is φ = 7112448.

The previous prime is 7398133. The next prime is 7398191. The reversal of 7398161 is 1618937.

It can be written as a sum of positive squares in 4 ways, for example, as 844561 + 6553600 = 919^2 + 2560^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7398161 - 2²² = 3203857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7398121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9395 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (960765).

Almost surely, 2^7398161 is an apocalyptic number.

It is an amenable number.

7398161 is a deficient number, since it is larger than the sum of its proper divisors (287959).

7398161 is a wasteful number, since it uses less digits than its factorization.

7398161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its digits is 9072, while the sum is 35.

The square root of 7398161 is about 2719.9560658217. The cubic root of 7398161 is about 194.8533721307.

The spelling of 7398161 in words is "seven million, three hundred ninety-eight thousand, one hundred sixty-one".