7201389 has 8 divisors (see below), whose sum is σ = 10340512. Its totient is φ = 4431600.

The previous prime is 7201357. The next prime is 7201423. The reversal of 7201389 is 9831027.

It is a happy number.

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

It is not a de Polignac number, because 7201389 - 2⁵ = 7201357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7201189) 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, 92287 + ... + 92364.

It is an arithmetic number, because the mean of its divisors is an integer number (1292564).

Almost surely, 2^7201389 is an apocalyptic number.

It is an amenable number.

7201389 is a deficient number, since it is larger than the sum of its proper divisors (3139123).

7201389 is a wasteful number, since it uses less digits than its factorization.

7201389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184667.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7201389 is about 2683.5403853864. The cubic root of 7201389 is about 193.1102933890.

The spelling of 7201389 in words is "seven million, two hundred one thousand, three hundred eighty-nine".