28467401 has 8 divisors (see below), whose sum is σ = 30237480. Its totient is φ = 26707968.

The previous prime is 28467349. The next prime is 28467403. The reversal of 28467401 is 10476482.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 26574025 = 1376^2 + 5155^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 28467401 - 2²² = 24273097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28467403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (3779685).

Almost surely, 2^28467401 is an apocalyptic number.

It is an amenable number.

28467401 is a deficient number, since it is larger than the sum of its proper divisors (1770079).

28467401 is a wasteful number, since it uses less digits than its factorization.

28467401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28467401 is about 5335.4850763544. The cubic root of 28467401 is about 305.3392301904.

The spelling of 28467401 in words is "twenty-eight million, four hundred sixty-seven thousand, four hundred one".