28151376 has 120 divisors (see below), whose sum is σ = 82723872. Its totient is φ = 8236800.

The previous prime is 28151363. The next prime is 28151377. The reversal of 28151376 is 67315182.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28151377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214831 + ... + 214961.

Almost surely, 2^28151376 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 28151376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41361936).

28151376 is an abundant number, since it is smaller than the sum of its proper divisors (54572496).

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

28151376 is a wasteful number, since it uses less digits than its factorization.

28151376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 184 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 28151376 is about 5305.7870292728. The cubic root of 28151376 is about 304.2051362448.

The spelling of 28151376 in words is "twenty-eight million, one hundred fifty-one thousand, three hundred seventy-six".