28743862 has 16 divisors (see below), whose sum is σ = 49360032. Its totient is φ = 12297600.

The previous prime is 28743817. The next prime is 28743877. The reversal of 28743862 is 26834782.

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, 8862 + ... + 11662.

It is an arithmetic number, because the mean of its divisors is an integer number (3085002).

Almost surely, 2^28743862 is an apocalyptic number.

28743862 is a deficient number, since it is larger than the sum of its proper divisors (20616170).

28743862 is a wasteful number, since it uses less digits than its factorization.

28743862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its digits is 129024, while the sum is 40.

The square root of 28743862 is about 5361.3302453775. The cubic root of 28743862 is about 306.3244810099.

The spelling of 28743862 in words is "twenty-eight million, seven hundred forty-three thousand, eight hundred sixty-two".