3658429 has 2 divisors, whose sum is σ = 3658430. Its totient is φ = 3658428.

The previous prime is 3658427. The next prime is 3658439. The reversal of 3658429 is 9248563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 1092025 = 1602^2 + 1045^2 .

It is an emirp because it is prime and its reverse (9248563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3658429 - 2¹ = 3658427 is a prime.

Together with 3658427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3658423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829214 + 1829215.

It is an arithmetic number, because the mean of its divisors is an integer number (1829215).

Almost surely, 2^3658429 is an apocalyptic number.

It is an amenable number.

3658429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3658429 is an equidigital number, since it uses as much as digits as its factorization.

3658429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 3658429 is about 1912.7020154744. The cubic root of 3658429 is about 154.0866016532.

The spelling of 3658429 in words is "three million, six hundred fifty-eight thousand, four hundred twenty-nine".