28103262 has 32 divisors (see below), whose sum is σ = 63434880. Its totient is φ = 8221920.

The previous prime is 28103203. The next prime is 28103269. The reversal of 28103262 is 26230182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5428 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (1982340).

Almost surely, 2^28103262 is an apocalyptic number.

28103262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28103262 is an abundant number, since it is smaller than the sum of its proper divisors (35331618).

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

28103262 is a wasteful number, since it uses less digits than its factorization.

28103262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14728.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 28103262 is about 5301.2509844375. The cubic root of 28103262 is about 304.0317300099.

Subtracting from 28103262 its reverse (26230182), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 28103262 in words is "twenty-eight million, one hundred three thousand, two hundred sixty-two".