28462686 has 16 divisors (see below), whose sum is σ = 65057664. Its totient is φ = 8132184.

The previous prime is 28462669. The next prime is 28462691. The reversal of 28462686 is 68626482.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 677683 = 28462686 / (2 + 8 + 4 + 6 + 2 + 6 + 8 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338800 + ... + 338883.

It is an arithmetic number, because the mean of its divisors is an integer number (4066104).

Almost surely, 2^28462686 is an apocalyptic number.

28462686 is an abundant number, since it is smaller than the sum of its proper divisors (36594978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28462686 is a wasteful number, since it uses less digits than its factorization.

28462686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677695.

The product of its digits is 221184, while the sum is 42.

The square root of 28462686 is about 5335.0432050734. The cubic root of 28462686 is about 305.3223716796.

The spelling of 28462686 in words is "twenty-eight million, four hundred sixty-two thousand, six hundred eighty-six".