28050629 has 18 divisors (see below), whose sum is σ = 31094802. Its totient is φ = 25296000.

The previous prime is 28050623. The next prime is 28050641. The reversal of 28050629 is 92605082.

It can be written as a sum of positive squares in 3 ways, for example, as 19377604 + 8673025 = 4402^2 + 2945^2 .

It is not a de Polignac number, because 28050629 - 2¹² = 28046533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28050595 and 28050604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 277679 + ... + 277779.

It is an arithmetic number, because the mean of its divisors is an integer number (1727489).

Almost surely, 2^28050629 is an apocalyptic number.

It is an amenable number.

28050629 is a deficient number, since it is larger than the sum of its proper divisors (3044173).

28050629 is a wasteful number, since it uses less digits than its factorization.

28050629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 28050629 is about 5296.2844523307. The cubic root of 28050629 is about 303.8418101557.

The spelling of 28050629 in words is "twenty-eight million, fifty thousand, six hundred twenty-nine".