36820429 has 2 divisors, whose sum is σ = 36820430. Its totient is φ = 36820428.

The previous prime is 36820417. The next prime is 36820481. The reversal of 36820429 is 92402863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21178404 + 15642025 = 4602^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 36820429 - 2²¹ = 34723277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36820394 and 36820403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36821429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18410214 + 18410215.

It is an arithmetic number, because the mean of its divisors is an integer number (18410215).

Almost surely, 2^36820429 is an apocalyptic number.

It is an amenable number.

36820429 is a deficient number, since it is larger than the sum of its proper divisors (1).

36820429 is an equidigital number, since it uses as much as digits as its factorization.

36820429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 36820429 is about 6067.9839320816. The cubic root of 36820429 is about 332.6822382759.

It can be divided in two parts, 36820 and 429, that added together give a square (37249 = 193²).

The spelling of 36820429 in words is "thirty-six million, eight hundred twenty thousand, four hundred twenty-nine".