28413629 has 2 divisors, whose sum is σ = 28413630. Its totient is φ = 28413628.

The previous prime is 28413611. The next prime is 28413641. The reversal of 28413629 is 92631482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24304900 + 4108729 = 4930^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 28413629 - 2¹⁶ = 28348093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28413029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14206814 + 14206815.

It is an arithmetic number, because the mean of its divisors is an integer number (14206815).

Almost surely, 2^28413629 is an apocalyptic number.

It is an amenable number.

28413629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28413629 is an equidigital number, since it uses as much as digits as its factorization.

28413629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 28413629 is about 5330.4436025532. The cubic root of 28413629 is about 305.1468575218.

The spelling of 28413629 in words is "twenty-eight million, four hundred thirteen thousand, six hundred twenty-nine".