7385921 has 16 divisors (see below), whose sum is σ = 8055936. Its totient is φ = 6754176.

The previous prime is 7385897. The next prime is 7385953. The reversal of 7385921 is 1295837.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7385921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7384921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88946 + ... + 89028.

It is an arithmetic number, because the mean of its divisors is an integer number (503496).

Almost surely, 2^7385921 is an apocalyptic number.

It is an amenable number.

7385921 is a deficient number, since it is larger than the sum of its proper divisors (670015).

7385921 is a wasteful number, since it uses less digits than its factorization.

7385921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its digits is 15120, while the sum is 35.

The square root of 7385921 is about 2717.7050980561. The cubic root of 7385921 is about 194.7458534384.

The spelling of 7385921 in words is "seven million, three hundred eighty-five thousand, nine hundred twenty-one".