28949486 has 8 divisors (see below), whose sum is σ = 43566600. Its totient is φ = 14427288.

The previous prime is 28949477. The next prime is 28949497. The reversal of 28949486 is 68494982.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22961 + ... + 24188.

It is an arithmetic number, because the mean of its divisors is an integer number (5445825).

Almost surely, 2^28949486 is an apocalyptic number.

28949486 is a deficient number, since it is larger than the sum of its proper divisors (14617114).

28949486 is a wasteful number, since it uses less digits than its factorization.

28949486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47458.

The product of its digits is 995328, while the sum is 50.

The square root of 28949486 is about 5380.4726558175. The cubic root of 28949486 is about 307.0531938228.

The spelling of 28949486 in words is "twenty-eight million, nine hundred forty-nine thousand, four hundred eighty-six".