28902365 has 8 divisors (see below), whose sum is σ = 35620440. Its totient is φ = 22496832.

The previous prime is 28902359. The next prime is 28902371. The reversal of 28902365 is 56320982.

It is an interprime number because it is at equal distance from previous prime (28902359) and next prime (28902371).

It can be written as a sum of positive squares in 4 ways, for example, as 1643524 + 27258841 = 1282^2 + 5221^2 .

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 28902365 - 2¹² = 28898269 is a prime.

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, 77930 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (4452555).

Almost surely, 2^28902365 is an apocalyptic number.

It is an amenable number.

28902365 is a deficient number, since it is larger than the sum of its proper divisors (6718075).

28902365 is a wasteful number, since it uses less digits than its factorization.

28902365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156271.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28902365 is about 5376.0919821000. The cubic root of 28902365 is about 306.8865068005.

The spelling of 28902365 in words is "twenty-eight million, nine hundred two thousand, three hundred sixty-five".