28923862 has 16 divisors (see below), whose sum is σ = 48610512. Its totient is φ = 12791520.

The previous prime is 28923859. The next prime is 28923877. The reversal of 28923862 is 26832982.

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, 16953 + ... + 18580.

It is an arithmetic number, because the mean of its divisors is an integer number (3038157).

Almost surely, 2^28923862 is an apocalyptic number.

28923862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28923862 is a deficient number, since it is larger than the sum of its proper divisors (19686650).

28923862 is a wasteful number, since it uses less digits than its factorization.

28923862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35583.

The product of its digits is 82944, while the sum is 40.

The square root of 28923862 is about 5378.0909252262. The cubic root of 28923862 is about 306.9625732897.

The spelling of 28923862 in words is "twenty-eight million, nine hundred twenty-three thousand, eight hundred sixty-two".