28473379 has 8 divisors (see below), whose sum is σ = 32412672. Its totient is φ = 24759240.

The previous prime is 28473373. The next prime is 28473383. The reversal of 28473379 is 97337482.

28473379 = T₁₅₆₂ + T₁₅₆₃ + ... + T₁₅₈₄.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28473379 - 2⁷ = 28473251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28473373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56019 + ... + 56524.

It is an arithmetic number, because the mean of its divisors is an integer number (4051584).

Almost surely, 2^28473379 is an apocalyptic number.

28473379 is a deficient number, since it is larger than the sum of its proper divisors (3939293).

28473379 is a wasteful number, since it uses less digits than its factorization.

28473379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112577.

The product of its digits is 254016, while the sum is 43.

The square root of 28473379 is about 5336.0452584288. The cubic root of 28473379 is about 305.3606018893.

It can be divided in two parts, 2847 and 3379, that added together give a palindrome (6226).

The spelling of 28473379 in words is "twenty-eight million, four hundred seventy-three thousand, three hundred seventy-nine".