28902049 has 8 divisors (see below), whose sum is σ = 31586400. Its totient is φ = 26227200.

The previous prime is 28902047. The next prime is 28902061. The reversal of 28902049 is 94020982.

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 28902049 - 2¹ = 28902047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28902043) 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, 5002 + ... + 9100.

It is an arithmetic number, because the mean of its divisors is an integer number (3948300).

Almost surely, 2^28902049 is an apocalyptic number.

It is an amenable number.

28902049 is a deficient number, since it is larger than the sum of its proper divisors (2684351).

28902049 is a wasteful number, since it uses less digits than its factorization.

28902049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 28902049 is about 5376.0625926416. The cubic root of 28902049 is about 306.8853883628.

The spelling of 28902049 in words is "twenty-eight million, nine hundred two thousand, forty-nine".