28821062 has 8 divisors (see below), whose sum is σ = 45507000. Its totient is φ = 13652064.

The previous prime is 28821049. The next prime is 28821071. The reversal of 28821062 is 26012882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28821062² = 1661307229615688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379187 + ... + 379262.

It is an arithmetic number, because the mean of its divisors is an integer number (5688375).

Almost surely, 2^28821062 is an apocalyptic number.

28821062 is a deficient number, since it is larger than the sum of its proper divisors (16685938).

28821062 is a wasteful number, since it uses less digits than its factorization.

28821062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758470.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28821062 is about 5368.5251233463. The cubic root of 28821062 is about 306.5984770147.

The spelling of 28821062 in words is "twenty-eight million, eight hundred twenty-one thousand, sixty-two".