7448987 has 16 divisors (see below), whose sum is σ = 9569280. Its totient is φ = 5635872.

The previous prime is 7448971. The next prime is 7449011. The reversal of 7448987 is 7898447.

It is a cyclic number.

It is not a de Polignac number, because 7448987 - 2⁴ = 7448971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7448087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314 + ... + 3872.

It is an arithmetic number, because the mean of its divisors is an integer number (598080).

Almost surely, 2^7448987 is an apocalyptic number.

7448987 is a deficient number, since it is larger than the sum of its proper divisors (2120293).

7448987 is a wasteful number, since it uses less digits than its factorization.

7448987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its digits is 451584, while the sum is 47.

The square root of 7448987 is about 2729.2832392407. The cubic root of 7448987 is about 195.2985739447.

The spelling of 7448987 in words is "seven million, four hundred forty-eight thousand, nine hundred eighty-seven".