3421629 has 16 divisors (see below), whose sum is σ = 5097600. Its totient is φ = 2268288.

The previous prime is 3421603. The next prime is 3421631. The reversal of 3421629 is 9261243.

3421629 is a `hidden beast` number, since 34 + 2 + 1 + 629 = 666.

It is not a de Polignac number, because 3421629 - 2⁵ = 3421597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9352 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

Almost surely, 2^3421629 is an apocalyptic number.

It is an amenable number.

3421629 is a deficient number, since it is larger than the sum of its proper divisors (1675971).

3421629 is a wasteful number, since it uses less digits than its factorization.

3421629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3421629 is about 1849.7645796155. The cubic root of 3421629 is about 150.6876428318.

The spelling of 3421629 in words is "three million, four hundred twenty-one thousand, six hundred twenty-nine".