3366621 has 6 divisors (see below), whose sum is σ = 4862910. Its totient is φ = 2244408.

The previous prime is 3366619. The next prime is 3366647. The reversal of 3366621 is 1266633.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 1232100 = 1461^2 + 1110^2 .

It is not a de Polignac number, because 3366621 - 2¹ = 3366619 is a prime.

It is a super-2 number, since 2×3366621² = 22668273915282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187026 + ... + 187043.

It is an arithmetic number, because the mean of its divisors is an integer number (810485).

Almost surely, 2^3366621 is an apocalyptic number.

It is an amenable number.

3366621 is a deficient number, since it is larger than the sum of its proper divisors (1496289).

3366621 is a wasteful number, since it uses less digits than its factorization.

3366621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374075 (or 374072 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3366621 is about 1834.8354149623. The cubic root of 3366621 is about 149.8757637975.

The spelling of 3366621 in words is "three million, three hundred sixty-six thousand, six hundred twenty-one".