28746206 has 4 divisors (see below), whose sum is σ = 43119312. Its totient is φ = 14373102.

The previous prime is 28746181. The next prime is 28746209. The reversal of 28746206 is 60264782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60264782 = 2 ⋅30132391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28746209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7186550 + ... + 7186553.

It is an arithmetic number, because the mean of its divisors is an integer number (10779828).

Almost surely, 2^28746206 is an apocalyptic number.

28746206 is a deficient number, since it is larger than the sum of its proper divisors (14373106).

28746206 is a wasteful number, since it uses less digits than its factorization.

28746206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373105.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28746206 is about 5361.5488433847. The cubic root of 28746206 is about 306.3328074840.

The spelling of 28746206 in words is "twenty-eight million, seven hundred forty-six thousand, two hundred six".