28367361 has 48 divisors (see below), whose sum is σ = 48731200. Its totient is φ = 16251840.

The previous prime is 28367351. The next prime is 28367363. The reversal of 28367361 is 16376382.

It is a happy number.

It is not a de Polignac number, because 28367361 - 2⁷ = 28367233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28367363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61845 + ... + 62301.

Almost surely, 2^28367361 is an apocalyptic number.

It is an amenable number.

28367361 is a deficient number, since it is larger than the sum of its proper divisors (20363839).

28367361 is a wasteful number, since it uses less digits than its factorization.

28367361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 490 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 28367361 is about 5326.1018578319. The cubic root of 28367361 is about 304.9811365204.

The spelling of 28367361 in words is "twenty-eight million, three hundred sixty-seven thousand, three hundred sixty-one".