3822129 has 12 divisors (see below), whose sum is σ = 5556096. Its totient is φ = 2531832.

The previous prime is 3822109. The next prime is 3822139. The reversal of 3822129 is 9212283.

It is a happy number.

It is not a de Polignac number, because 3822129 - 2¹² = 3818033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3822109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (463008).

Almost surely, 2^3822129 is an apocalyptic number.

It is an amenable number.

3822129 is a deficient number, since it is larger than the sum of its proper divisors (1733967).

3822129 is a wasteful number, since it uses less digits than its factorization.

3822129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2713 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3822129 is about 1955.0265982845. The cubic root of 3822129 is about 156.3514021251.

The spelling of 3822129 in words is "three million, eight hundred twenty-two thousand, one hundred twenty-nine".