28412419 has 4 divisors (see below), whose sum is σ = 32471344. Its totient is φ = 24353496.

The previous prime is 28412407. The next prime is 28412437. The reversal of 28412419 is 91421482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91421482 = 2 ⋅45710741.

It is a cyclic number.

It is not a de Polignac number, because 28412419 - 2⁵ = 28412387 is a prime.

It is a super-2 number, since 2×28412419² = 1614531106863122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28412479) 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, 2029452 + ... + 2029465.

It is an arithmetic number, because the mean of its divisors is an integer number (8117836).

Almost surely, 2^28412419 is an apocalyptic number.

28412419 is a deficient number, since it is larger than the sum of its proper divisors (4058925).

28412419 is an equidigital number, since it uses as much as digits as its factorization.

28412419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058924.

The product of its digits is 4608, while the sum is 31.

The square root of 28412419 is about 5330.3301023483. The cubic root of 28412419 is about 305.1425258806.

The spelling of 28412419 in words is "twenty-eight million, four hundred twelve thousand, four hundred nineteen".