7489899 has 6 divisors (see below), whose sum is σ = 10818756. Its totient is φ = 4993260.

The previous prime is 7489871. The next prime is 7489913. The reversal of 7489899 is 9989847.

7489899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7489899 - 2⁷ = 7489771 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7489829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416097 + ... + 416114.

It is an arithmetic number, because the mean of its divisors is an integer number (1803126).

Almost surely, 2^7489899 is an apocalyptic number.

7489899 is a deficient number, since it is larger than the sum of its proper divisors (3328857).

7489899 is a wasteful number, since it uses less digits than its factorization.

7489899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832217 (or 832214 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 7489899 is about 2736.7679843202. The cubic root of 7489899 is about 195.6554668496.

The spelling of 7489899 in words is "seven million, four hundred eighty-nine thousand, eight hundred ninety-nine".