3421684 has 12 divisors (see below), whose sum is σ = 6843424. Its totient is φ = 1466424.

The previous prime is 3421679. The next prime is 3421699. The reversal of 3421684 is 4861243.

3421684 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3421684 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 122203 = 3421684 / (3 + 4 + 2 + 1 + 6 + 8 + 4).

3421684 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61074 + ... + 61129.

Almost surely, 2^3421684 is an apocalyptic number.

It is an amenable number.

3421684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421684 is a wasteful number, since it uses less digits than its factorization.

3421684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122214 (or 122212 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 3421684 is about 1849.7794463125. The cubic root of 3421684 is about 150.6884502227.

The spelling of 3421684 in words is "three million, four hundred twenty-one thousand, six hundred eighty-four".