7455989 has 4 divisors (see below), whose sum is σ = 7477824. Its totient is φ = 7434156.

The previous prime is 7455983. The next prime is 7455991. The reversal of 7455989 is 9895547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7455989 - 2¹² = 7451893 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 (7455983) 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 3 ways as a sum of consecutive naturals, for example, 10397 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (1869456).

Almost surely, 2^7455989 is an apocalyptic number.

It is an amenable number.

7455989 is a deficient number, since it is larger than the sum of its proper divisors (21835).

7455989 is a wasteful number, since it uses less digits than its factorization.

7455989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21834.

The product of its digits is 453600, while the sum is 47.

The square root of 7455989 is about 2730.5656923063. The cubic root of 7455989 is about 195.3597479166.

The spelling of 7455989 in words is "seven million, four hundred fifty-five thousand, nine hundred eighty-nine".