28101376 has 36 divisors (see below), whose sum is σ = 57918784. Its totient is φ = 13593600.

The previous prime is 28101371. The next prime is 28101383. The reversal of 28101376 is 67310182.

It is not an unprimeable number, because it can be changed into a prime (28101371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6166 + ... + 9706.

Almost surely, 2^28101376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28101376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28959392).

28101376 is an abundant number, since it is smaller than the sum of its proper divisors (29817408).

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

28101376 is an equidigital number, since it uses as much as digits as its factorization.

28101376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 28101376 is about 5301.0730989112. The cubic root of 28101376 is about 304.0249287037.

It can be divided in two parts, 2810 and 1376, that added together give a triangular number (4186 = T₉₁).

The spelling of 28101376 in words is "twenty-eight million, one hundred one thousand, three hundred seventy-six".