28980463 has 2 divisors, whose sum is σ = 28980464. Its totient is φ = 28980462.

The previous prime is 28980451. The next prime is 28980517. The reversal of 28980463 is 36408982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28980463 - 2⁵ = 28980431 is a prime.

It is equal to p_1798528 and since 28980463 and 1798528 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28980433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14490231 + 14490232.

It is an arithmetic number, because the mean of its divisors is an integer number (14490232).

Almost surely, 2^28980463 is an apocalyptic number.

28980463 is a deficient number, since it is larger than the sum of its proper divisors (1).

28980463 is an equidigital number, since it uses as much as digits as its factorization.

28980463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 28980463 is about 5383.3505366082. The cubic root of 28980463 is about 307.1626741341.

The spelling of 28980463 in words is "twenty-eight million, nine hundred eighty thousand, four hundred sixty-three".