28049510 has 16 divisors (see below), whose sum is σ = 53146800. Its totient is φ = 10629216.

The previous prime is 28049509. The next prime is 28049537. The reversal of 28049510 is 1594082.

It is a super-2 number, since 2×28049510² = 1573550022480200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73625 + ... + 74004.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 2^28049510 is an apocalyptic number.

28049510 is a deficient number, since it is larger than the sum of its proper divisors (25097290).

28049510 is a wasteful number, since it uses less digits than its factorization.

28049510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147655.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 28049510 is about 5296.1788111808. The cubic root of 28049510 is about 303.8377698006.

The spelling of 28049510 in words is "twenty-eight million, forty-nine thousand, five hundred ten".