28490467 has 8 divisors (see below), whose sum is σ = 29312624. Its totient is φ = 27675648.

The previous prime is 28490447. The next prime is 28490471. The reversal of 28490467 is 76409482.

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 28490467 - 2¹¹ = 28488419 is a prime.

It is a super-4 number, since 4×28490467⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28490417) 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, 6583 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (3664078).

Almost surely, 2^28490467 is an apocalyptic number.

28490467 is a deficient number, since it is larger than the sum of its proper divisors (822157).

28490467 is a wasteful number, since it uses less digits than its factorization.

28490467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 28490467 is about 5337.6462040866. The cubic root of 28490467 is about 305.4216759949.

The spelling of 28490467 in words is "twenty-eight million, four hundred ninety thousand, four hundred sixty-seven".