28762406 has 4 divisors (see below), whose sum is σ = 43143612. Its totient is φ = 14381202.

The previous prime is 28762387. The next prime is 28762417. The reversal of 28762406 is 60426782.

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

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 7190600 + ... + 7190603.

It is an arithmetic number, because the mean of its divisors is an integer number (10785903).

Almost surely, 2^28762406 is an apocalyptic number.

28762406 is a deficient number, since it is larger than the sum of its proper divisors (14381206).

28762406 is a wasteful number, since it uses less digits than its factorization.

28762406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381205.

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

The square root of 28762406 is about 5363.0593880732. The cubic root of 28762406 is about 306.3903415639.

The spelling of 28762406 in words is "twenty-eight million, seven hundred sixty-two thousand, four hundred six".