28460649 has 8 divisors (see below), whose sum is σ = 43368640. Its totient is φ = 16263216.

The previous prime is 28460633. The next prime is 28460671. The reversal of 28460649 is 94606482.

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

It is not a de Polignac number, because 28460649 - 2⁴ = 28460633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28460249) 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, 677614 + ... + 677655.

It is an arithmetic number, because the mean of its divisors is an integer number (5421080).

Almost surely, 2^28460649 is an apocalyptic number.

It is an amenable number.

28460649 is a deficient number, since it is larger than the sum of its proper divisors (14907991).

28460649 is a wasteful number, since it uses less digits than its factorization.

28460649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355279.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 28460649 is about 5334.8522941127. The cubic root of 28460649 is about 305.3150877980.

The spelling of 28460649 in words is "twenty-eight million, four hundred sixty thousand, six hundred forty-nine".