7141989 has 16 divisors (see below), whose sum is σ = 10169280. Its totient is φ = 4442880.

The previous prime is 7141973. The next prime is 7141991. The reversal of 7141989 is 9891417.

It is a happy number.

It is not a de Polignac number, because 7141989 - 2⁴ = 7141973 is a prime.

It is a super-2 number, since 2×7141989² = 102016013752242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7141919) 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, 6147 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (635580).

Almost surely, 2^7141989 is an apocalyptic number.

It is an amenable number.

7141989 is a deficient number, since it is larger than the sum of its proper divisors (3027291).

7141989 is a wasteful number, since it uses less digits than its factorization.

7141989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 18144, while the sum is 39.

The square root of 7141989 is about 2672.4499995323. The cubic root of 7141989 is about 192.5778759515.

The spelling of 7141989 in words is "seven million, one hundred forty-one thousand, nine hundred eighty-nine".