28894467 has 12 divisors (see below), whose sum is σ = 44816136. Its totient is φ = 16511040.

The previous prime is 28894451. The next prime is 28894471. The reversal of 28894467 is 76449882.

It is not a de Polignac number, because 28894467 - 2⁴ = 28894451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28894427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98134 + ... + 98427.

It is an arithmetic number, because the mean of its divisors is an integer number (3734678).

Almost surely, 2^28894467 is an apocalyptic number.

28894467 is a deficient number, since it is larger than the sum of its proper divisors (15921669).

28894467 is a wasteful number, since it uses less digits than its factorization.

28894467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196578 (or 196571 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 28894467 is about 5375.3573834676. The cubic root of 28894467 is about 306.8585504904.

The spelling of 28894467 in words is "twenty-eight million, eight hundred ninety-four thousand, four hundred sixty-seven".