28496481 has 8 divisors (see below), whose sum is σ = 40918080. Its totient is φ = 17536272.

The previous prime is 28496477. The next prime is 28496497. The reversal of 28496481 is 18469482.

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

It is not a de Polignac number, because 28496481 - 2² = 28496477 is a prime.

It is a super-2 number, since 2×28496481² = 1624098858766722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28496431) 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, 365301 + ... + 365378.

It is an arithmetic number, because the mean of its divisors is an integer number (5114760).

Almost surely, 2^28496481 is an apocalyptic number.

It is an amenable number.

28496481 is a deficient number, since it is larger than the sum of its proper divisors (12421599).

28496481 is a wasteful number, since it uses less digits than its factorization.

28496481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730695.

The product of its digits is 110592, while the sum is 42.

The square root of 28496481 is about 5338.2095312942. The cubic root of 28496481 is about 305.4431647819.

The spelling of 28496481 in words is "twenty-eight million, four hundred ninety-six thousand, four hundred eighty-one".