7214389 has 8 divisors (see below), whose sum is σ = 8879360. Its totient is φ = 5708016.

The previous prime is 7214377. The next prime is 7214393. The reversal of 7214389 is 9834127.

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 7214389 - 2¹¹ = 7212341 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

7214389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214369) 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, 39549 + ... + 39730.

It is an arithmetic number, because the mean of its divisors is an integer number (1109920).

Almost surely, 2^7214389 is an apocalyptic number.

It is an amenable number.

7214389 is a deficient number, since it is larger than the sum of its proper divisors (1664971).

7214389 is a wasteful number, since it uses less digits than its factorization.

7214389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79299.

The product of its digits is 12096, while the sum is 34.

The square root of 7214389 is about 2685.9614665888. The cubic root of 7214389 is about 193.2264249070.

The spelling of 7214389 in words is "seven million, two hundred fourteen thousand, three hundred eighty-nine".