3384621 has 12 divisors (see below), whose sum is σ = 4940572. Its totient is φ = 2232576.

The previous prime is 3384617. The next prime is 3384629. The reversal of 3384621 is 1264833.

It is a happy number.

3384621 is a `hidden beast` number, since 3 + 38 + 4 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 2205225 = 1086^2 + 1485^2 .

It is not a de Polignac number, because 3384621 - 2² = 3384617 is a prime.

It is a super-2 number, since 2×3384621² = 22911318627282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3384629) 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, 1066 + ... + 2811.

Almost surely, 2^3384621 is an apocalyptic number.

It is an amenable number.

3384621 is a deficient number, since it is larger than the sum of its proper divisors (1555951).

3384621 is a wasteful number, since it uses less digits than its factorization.

3384621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3977 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3384621 is about 1839.7339481566. The cubic root of 3384621 is about 150.1423981091.

It can be divided in two parts, 3384 and 621, that added together give a triangular number (4005 = T₈₉).

The spelling of 3384621 in words is "three million, three hundred eighty-four thousand, six hundred twenty-one".