7404989 has 8 divisors (see below), whose sum is σ = 7526400. Its totient is φ = 7284816.

The previous prime is 7404983. The next prime is 7404997. The reversal of 7404989 is 9894047.

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 7404989 - 2¹² = 7400893 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 (7404983) 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, 25127 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 2^7404989 is an apocalyptic number.

It is an amenable number.

7404989 is a deficient number, since it is larger than the sum of its proper divisors (121411).

7404989 is a wasteful number, since it uses less digits than its factorization.

7404989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 7404989 is about 2721.2109436793. The cubic root of 7404989 is about 194.9132991732.

The spelling of 7404989 in words is "seven million, four hundred four thousand, nine hundred eighty-nine".