7161438 has 8 divisors (see below), whose sum is σ = 14322888. Its totient is φ = 2387144.

The previous prime is 7161433. The next prime is 7161443. The reversal of 7161438 is 8341617.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7161433) and next prime (7161443).

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

7161438 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161433) 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, 596781 + ... + 596792.

It is an arithmetic number, because the mean of its divisors is an integer number (1790361).

Almost surely, 2^7161438 is an apocalyptic number.

7161438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7161438 is a wasteful number, since it uses less digits than its factorization.

7161438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193578.

The product of its digits is 4032, while the sum is 30.

The square root of 7161438 is about 2676.0863214777. The cubic root of 7161438 is about 192.7525262899.

The spelling of 7161438 in words is "seven million, one hundred sixty-one thousand, four hundred thirty-eight".