28411463 has 4 divisors (see below), whose sum is σ = 29646768. Its totient is φ = 27176160.

The previous prime is 28411457. The next prime is 28411499. The reversal of 28411463 is 36411482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36411482 = 2 ⋅18205741.

It is a cyclic number.

It is not a de Polignac number, because 28411463 - 2⁴ = 28411447 is a prime.

It is a super-2 number, since 2×28411463² = 1614422459600738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411423) 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, 617618 + ... + 617663.

It is an arithmetic number, because the mean of its divisors is an integer number (7411692).

Almost surely, 2^28411463 is an apocalyptic number.

28411463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28411463 is a deficient number, since it is larger than the sum of its proper divisors (1235305).

28411463 is a wasteful number, since it uses less digits than its factorization.

28411463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235304.

The product of its digits is 4608, while the sum is 29.

The square root of 28411463 is about 5330.2404260971. The cubic root of 28411463 is about 305.1391034391.

The spelling of 28411463 in words is "twenty-eight million, four hundred eleven thousand, four hundred sixty-three".