7424989 has 16 divisors (see below), whose sum is σ = 8809920. Its totient is φ = 6168960.

The previous prime is 7424983. The next prime is 7424993. The reversal of 7424989 is 9894247.

It is a cyclic number.

It is not a de Polignac number, because 7424989 - 2⁷ = 7424861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7424983) 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, 19402 + ... + 19780.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 2^7424989 is an apocalyptic number.

It is an amenable number.

7424989 is a deficient number, since it is larger than the sum of its proper divisors (1384931).

7424989 is a wasteful number, since it uses less digits than its factorization.

7424989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 145152, while the sum is 43.

The square root of 7424989 is about 2724.8833002534. The cubic root of 7424989 is about 195.0886206876.

The spelling of 7424989 in words is "seven million, four hundred twenty-four thousand, nine hundred eighty-nine".