28906046 has 8 divisors (see below), whose sum is σ = 46694424. Its totient is φ = 13341240.

The previous prime is 28906027. The next prime is 28906057. The reversal of 28906046 is 64060982.

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

It is a junction number, because it is equal to n+sod(n) for n = 28905997 and 28906015.

It is a congruent number.

It is an unprimeable number.

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, 555860 + ... + 555911.

It is an arithmetic number, because the mean of its divisors is an integer number (5836803).

Almost surely, 2^28906046 is an apocalyptic number.

28906046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28906046 is a deficient number, since it is larger than the sum of its proper divisors (17788378).

28906046 is a wasteful number, since it uses less digits than its factorization.

28906046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111786.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 28906046 is about 5376.4343202535. The cubic root of 28906046 is about 306.8995345842.

The spelling of 28906046 in words is "twenty-eight million, nine hundred six thousand, forty-six".