7088890 has 16 divisors (see below), whose sum is σ = 12829608. Its totient is φ = 2820096.

The previous prime is 7088849. The next prime is 7088891. The reversal of 7088890 is 988807.

It can be written as a sum of positive squares in 4 ways, for example, as 2996361 + 4092529 = 1731^2 + 2023^2 .

It is a super-2 number, since 2×7088890² = 100504722864200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7088891) 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 7 ways as a sum of consecutive naturals, for example, 94 + ... + 3766.

Almost surely, 2^7088890 is an apocalyptic number.

7088890 is a deficient number, since it is larger than the sum of its proper divisors (5740718).

7088890 is a wasteful number, since it uses less digits than its factorization.

7088890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 7088890 is about 2662.4969483551. The cubic root of 7088890 is about 192.0994312821.

The spelling of 7088890 in words is "seven million, eighty-eight thousand, eight hundred ninety".