28081362 has 16 divisors (see below), whose sum is σ = 56384352. Its totient is φ = 9323520.

The previous prime is 28081337. The next prime is 28081387. The reversal of 28081362 is 26318082.

It is an interprime number because it is at equal distance from previous prime (28081337) and next prime (28081387).

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, 7564 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (3524022).

Almost surely, 2^28081362 is an apocalyptic number.

28081362 is an abundant number, since it is smaller than the sum of its proper divisors (28302990).

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

28081362 is a wasteful number, since it uses less digits than its factorization.

28081362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18473.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28081362 is about 5299.1850316818. The cubic root of 28081362 is about 303.9527353227.

It can be divided in two parts, 280813 and 62, that added together give a triangular number (280875 = T₇₄₉).

The spelling of 28081362 in words is "twenty-eight million, eighty-one thousand, three hundred sixty-two".