7038661 has 8 divisors (see below), whose sum is σ = 8066304. Its totient is φ = 6016560.

The previous prime is 7038659. The next prime is 7038671. The reversal of 7038661 is 1668307.

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 7038661 - 2¹ = 7038659 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7038631) 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 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (1008288).

Almost surely, 2^7038661 is an apocalyptic number.

It is an amenable number.

7038661 is a deficient number, since it is larger than the sum of its proper divisors (1027643).

7038661 is a wasteful number, since it uses less digits than its factorization.

7038661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7038661 is about 2653.0474929786. The cubic root of 7038661 is about 191.6446425439.

The spelling of 7038661 in words is "seven million, thirty-eight thousand, six hundred sixty-one".