7428086 has 4 divisors (see below), whose sum is σ = 11142132. Its totient is φ = 3714042.

The previous prime is 7428079. The next prime is 7428119. The reversal of 7428086 is 6808247.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1857020 + ... + 1857023.

It is an arithmetic number, because the mean of its divisors is an integer number (2785533).

Almost surely, 2^7428086 is an apocalyptic number.

7428086 is a deficient number, since it is larger than the sum of its proper divisors (3714046).

7428086 is a wasteful number, since it uses less digits than its factorization.

7428086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714045.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 7428086 is about 2725.4515222253. The cubic root of 7428086 is about 195.1157410633.

The spelling of 7428086 in words is "seven million, four hundred twenty-eight thousand, eighty-six".