7914389 has 4 divisors (see below), whose sum is σ = 9045024. Its totient is φ = 6783756.

The previous prime is 7914383. The next prime is 7914391. The reversal of 7914389 is 9834197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9834197 = 2963 ⋅3319.

It is not a de Polignac number, because 7914389 - 2⁴ = 7914373 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 (7914383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565307 + ... + 565320.

It is an arithmetic number, because the mean of its divisors is an integer number (2261256).

Almost surely, 2^7914389 is an apocalyptic number.

It is an amenable number.

7914389 is a deficient number, since it is larger than the sum of its proper divisors (1130635).

7914389 is a wasteful number, since it uses less digits than its factorization.

7914389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130634.

The product of its digits is 54432, while the sum is 41.

The square root of 7914389 is about 2813.2523882510. The cubic root of 7914389 is about 199.2840148852.

The spelling of 7914389 in words is "seven million, nine hundred fourteen thousand, three hundred eighty-nine".